pkg/report: improve report titles

6 files changed, 632 insertions, 0 deletions

diff --git a/pkg/report/testdata/linux/report/473 b/pkg/report/testdata/linux/report/473
new file mode 100644
index 000000000..222e5aedb
--- /dev/null
+++ b/pkg/report/testdata/linux/report/473
@@ -0,0 +1,81 @@
+TITLE: WARNING: refcount bug in htc_connect_service
+
+[  347.999844][ T4270] ------------[ cut here ]------------
+[  348.000384][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.001259][ T4270] refcount_t: underflow; use-after-free.
+[  348.001333][ T4270] WARNING: CPU: 0 PID: 4270 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0
+[  348.002004][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.002964][ T4270] Kernel panic - not syncing: panic_on_warn set ...
+[  348.003632][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.005581][ T4270] CPU: 0 PID: 4270 Comm: kworker/0:12 Not tainted 5.6.0-rc6+ #153
+[  348.006253][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.008405][ T4270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
+[  348.008422][ T4270] Workqueue: events request_firmware_work_func
+[  348.017246][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.017956][ T4270] Call Trace:
+[  348.017971][ T4270]  dump_stack+0xef/0x16e
+[  348.017979][ T4270]  ? refcount_warn_saturate+0xf0/0x1e0
+[  348.017985][ T4270]  panic+0x2aa/0x6e1
+[  348.017990][ T4270]  ? add_taint.cold+0x16/0x16
+[  348.017998][ T4270]  ? __probe_kernel_read+0x188/0x1d0
+[  348.018002][ T4270]  ? __warn.cold+0x14/0x30
+[  348.018008][ T4270]  ? refcount_warn_saturate+0x1d1/0x1e0
+[  348.018012][ T4270]  __warn.cold+0x2f/0x30
+[  348.018025][ T4270]  ? refcount_warn_saturate+0x1d1/0x1e0
+[  348.018036][ T4270]  report_bug+0x28a/0x2f0
+[  348.020428][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.021402][ T4270]  do_error_trap+0x12b/0x1e0
+[  348.021408][ T4270]  ? refcount_warn_saturate+0x1d1/0x1e0
+[  348.021413][ T4270]  do_invalid_op+0x32/0x40
+[  348.021530][ T4270]  ? refcount_warn_saturate+0x1d1/0x1e0
+[  348.024097][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.025509][ T4270]  invalid_op+0x23/0x30
+[  348.025522][ T4270] RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0
+[  348.027955][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.028903][ T4270] Code: e9 db fe ff ff 48 89 df e8 7c bf 7f ff e9 8a fe ff ff e8 d2 06 57 ff 48 c7 c7 40 ee fb 85 c6 05 60 48 f3 05 01 e8 57 6b 2b ff <0f> 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00
+[  348.028907][ T4270] RSP: 0018:ffff88806732f8d0 EFLAGS: 00010282
+[  348.028912][ T4270] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
+[  348.028916][ T4270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100ce65f0c
+[  348.028920][ T4270] RBP: 0000000000000003 R08: ffff888045bb5e80 R09: ffffed100d94439f
+[  348.028923][ T4270] R10: ffffed100d94439e R11: ffff88806ca21cf3 R12: ffff8880614fa5d4
+[  348.028927][ T4270] R13: 00000000ffffff92 R14: ffff8880429d9000 R15: ffff8880614fa500
+[  348.028937][ T4270]  kfree_skb+0x313/0x3d0
+[  348.028950][ T4270]  htc_connect_service.cold+0xa9/0x109
+[  348.029348][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.029850][ T4270]  ath9k_wmi_connect+0xd2/0x1a0
+[  348.029856][ T4270]  ? ath9k_fatal_work+0x20/0x20
+[  348.029862][ T4270]  ? ath9k_hif_usb_firmware_cb.cold+0xde/0xde
+[  348.029867][ T4270]  ? ath9k_wmi_event_tasklet+0x430/0x430
+[  348.029874][ T4270]  ath9k_init_htc_services.constprop.0+0xb4/0x650
+[  348.029881][ T4270]  ? ath9k_htc_wait_for_target.isra.0+0x1b0/0x1b0
+[  348.029888][ T4270]  ? lockdep_init_map+0x1b0/0x5e0
+[  348.029894][ T4270]  ? lockdep_init_map+0x1b0/0x5e0
+[  348.029901][ T4270]  ? tasklet_init+0x69/0x110
+[  348.029913][ T4270]  ath9k_htc_probe_device+0x25a/0x1d80
+[  348.031985][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.032890][ T4270]  ? ath9k_init_htc_services.constprop.0+0x650/0x650
+[  348.032937][ T4270]  ? usb_submit_urb+0x6ed/0x1460
+[  348.033497][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.034710][ T4270]  ? usb_free_urb.part.0+0x52/0x110
+[  348.036226][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.037306][ T4270]  ? usb_free_urb+0x1b/0x30
+[  348.037314][ T4270]  ath9k_htc_hw_init+0x31/0x60
+[  348.037320][ T4270]  ath9k_hif_usb_firmware_cb+0x26b/0x500
+[  348.037326][ T4270]  ? ath9k_hif_usb_resume+0x320/0x320
+[  348.037334][ T4270]  request_firmware_work_func+0x126/0x242
+[  348.037340][ T4270]  ? request_firmware_into_buf+0x90/0x90
+[  348.037348][ T4270]  ? rcu_read_lock_sched_held+0x9c/0xd0
+[  348.037395][ T4270]  ? rcu_read_lock_bh_held+0xb0/0xb0
+[  348.038174][   T78] steelseries_srws1 0003:1038:1410.00A7: unknown main item tag 0x0
+[  348.038788][ T4270]  process_one_work+0x94b/0x1620
+[  348.038795][ T4270]  ? pwq_dec_nr_in_flight+0x310/0x310
+[  348.038801][ T4270]  ? do_raw_spin_lock+0x129/0x290
+[  348.038848][ T4270]  worker_thread+0x96/0xe20
+[  348.038855][ T4270]  ? process_one_work+0x1620/0x1620
+[  348.038861][ T4270]  kthread+0x318/0x420
+[  348.038866][ T4270]  ? kthread_create_on_node+0xf0/0xf0
+[  348.038874][ T4270]  ret_from_fork+0x24/0x30
+[  348.039759][ T4270] Dumping ftrace buffer:
+[  348.039817][ T4270]    (ftrace buffer empty)
+[  348.039821][ T4270] Kernel Offset: disabled
+[  348.102324][ T4270] Rebooting in 1 seconds..
diff --git a/pkg/report/testdata/linux/report/474 b/pkg/report/testdata/linux/report/474
new file mode 100644
index 000000000..c6b149b3c
--- /dev/null
+++ b/pkg/report/testdata/linux/report/474
@@ -0,0 +1,94 @@
+TITLE: WARNING in tcf_exts_destroy
+
+[   85.150823][ T9436] ------------[ cut here ]------------
+[   85.156312][ T9436] virt_to_cache: Object is not a Slab page!
+[   85.162424][ T9436] WARNING: CPU: 1 PID: 9436 at mm/slab.h:473 kfree+0x1cf/0x2b0
+[   85.169953][ T9436] Kernel panic - not syncing: panic_on_warn set ...
+[   85.176545][ T9436] CPU: 1 PID: 9436 Comm: syz-executor.0 Not tainted 5.6.0-rc5-syzkaller #0
+[   85.185117][ T9436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   85.195148][ T9436] Call Trace:
+[   85.198423][ T9436]  dump_stack+0x188/0x20d
+[   85.202736][ T9436]  ? kfree+0x170/0x2b0
+[   85.206790][ T9436]  panic+0x2e3/0x75c
+[   85.210770][ T9436]  ? add_taint.cold+0x16/0x16
+[   85.215439][ T9436]  ? __probe_kernel_read+0x188/0x1d0
+[   85.220701][ T9436]  ? __warn.cold+0x14/0x35
+[   85.225091][ T9436]  ? __warn+0xd5/0x1c8
+[   85.229178][ T9436]  ? kfree+0x1cf/0x2b0
+[   85.233226][ T9436]  __warn.cold+0x2f/0x35
+[   85.237442][ T9436]  ? irq_work_queue+0xd2/0x100
+[   85.242182][ T9436]  ? kfree+0x1cf/0x2b0
+[   85.246231][ T9436]  report_bug+0x27b/0x2f0
+[   85.250555][ T9436]  do_error_trap+0x12b/0x220
+[   85.255135][ T9436]  ? kfree+0x1cf/0x2b0
+[   85.259183][ T9436]  do_invalid_op+0x32/0x40
+[   85.263575][ T9436]  ? kfree+0x1cf/0x2b0
+[   85.267619][ T9436]  invalid_op+0x23/0x30
+[   85.271793][ T9436] RIP: 0010:kfree+0x1cf/0x2b0
+[   85.276448][ T9436] Code: 51 ff e9 67 fe ff ff 80 3d 8a a4 b2 08 00 75 1c 48 c7 c6 40 52 15 88 48 c7 c7 e8 03 26 89 c6 05 73 a4 b2 08 01 e8 b9 9f 95 ff <0f> 0b f6 c7 02 75 6b 48 83 3d 52 2e c5 07 00 0f 85 4e ff ff ff 0f
+[   85.296040][ T9436] RSP: 0018:ffffc900020e7030 EFLAGS: 00010082
+[   85.302084][ T9436] RAX: 0000000000000000 RBX: 0000000000000282 RCX: 0000000000000000
+[   85.310035][ T9436] RDX: 0000000000000000 RSI: ffffffff815bf4f1 RDI: fffff5200041cdf8
+[   85.317992][ T9436] RBP: ffffffff8c3f7080 R08: ffff88808e97c600 R09: ffffed1015ce45c9
+[   85.326068][ T9436] R10: ffffed1015ce45c8 R11: ffff8880ae722e43 R12: ffffffff8628c202
+[   85.334020][ T9436] R13: dffffc0000000000 R14: ffff8880a0069c10 R15: 0000000000000000
+[   85.341983][ T9436]  ? tcf_exts_destroy+0x62/0xc0
+[   85.346820][ T9436]  ? vprintk_func+0x81/0x17e
+[   85.351400][ T9436]  tcf_exts_destroy+0x62/0xc0
+[   85.356053][ T9436]  tcf_exts_change+0xf4/0x150
+[   85.360718][ T9436]  ? tcf_exts_destroy+0xc0/0xc0
+[   85.365568][ T9436]  tcindex_set_parms+0xed8/0x1a00
+[   85.370644][ T9436]  ? tcindex_alloc_perfect_hash+0x320/0x320
+[   85.376531][ T9436]  ? mark_held_locks+0xe0/0xe0
+[   85.381453][ T9436]  ? nla_memcpy+0xa0/0xa0
+[   85.385767][ T9436]  ? tcindex_change+0x203/0x2e0
+[   85.390595][ T9436]  tcindex_change+0x203/0x2e0
+[   85.395255][ T9436]  ? tcindex_set_parms+0x1a00/0x1a00
+[   85.400536][ T9436]  tc_new_tfilter+0xa59/0x20b0
+[   85.405283][ T9436]  ? tcindex_set_parms+0x1a00/0x1a00
+[   85.410553][ T9436]  ? tc_del_tfilter+0x1430/0x1430
+[   85.415570][ T9436]  ? __lock_acquire+0x80b/0x3ca0
+[   85.420498][ T9436]  ? apparmor_capable+0x454/0x8a0
+[   85.425514][ T9436]  ? rcu_read_lock_held+0x9c/0xb0
+[   85.430524][ T9436]  ? tc_del_tfilter+0x1430/0x1430
+[   85.435534][ T9436]  rtnetlink_rcv_msg+0x810/0xad0
+[   85.440505][ T9436]  ? rtnl_bridge_getlink+0x880/0x880
+[   85.445772][ T9436]  ? netdev_core_pick_tx+0x2e0/0x2e0
+[   85.451035][ T9436]  ? __copy_skb_header+0x210/0x5b0
+[   85.456138][ T9436]  ? skb_splice_bits+0x1a0/0x1a0
+[   85.461421][ T9436]  ? __kasan_kmalloc.constprop.0+0xbf/0xd0
+[   85.467319][ T9436]  ? kmem_cache_alloc+0x261/0x730
+[   85.472325][ T9436]  netlink_rcv_skb+0x15a/0x410
+[   85.477067][ T9436]  ? rtnl_bridge_getlink+0x880/0x880
+[   85.482439][ T9436]  ? netlink_ack+0xa80/0xa80
+[   85.487019][ T9436]  netlink_unicast+0x537/0x740
+[   85.491772][ T9436]  ? netlink_attachskb+0x810/0x810
+[   85.496875][ T9436]  ? _copy_from_iter_full+0x25c/0x870
+[   85.502233][ T9436]  ? __phys_addr_symbol+0x2c/0x70
+[   85.507287][ T9436]  ? __check_object_size+0x171/0x437
+[   85.512716][ T9436]  netlink_sendmsg+0x882/0xe10
+[   85.517472][ T9436]  ? aa_af_perm+0x260/0x260
+[   85.521954][ T9436]  ? netlink_unicast+0x740/0x740
+[   85.526880][ T9436]  ? netlink_unicast+0x740/0x740
+[   85.531818][ T9436]  sock_sendmsg+0xcf/0x120
+[   85.536282][ T9436]  ____sys_sendmsg+0x6b9/0x7d0
+[   85.541029][ T9436]  ? kernel_sendmsg+0x50/0x50
+[   85.545690][ T9436]  ? mark_lock+0xbc/0x1220
+[   85.550117][ T9436]  ___sys_sendmsg+0x100/0x170
+[   85.554780][ T9436]  ? sendmsg_copy_msghdr+0x70/0x70
+[   85.559871][ T9436]  ? find_held_lock+0x2d/0x110
+[   85.564617][ T9436]  ? find_held_lock+0x2d/0x110
+[   85.569369][ T9436]  ? __might_fault+0x11f/0x1d0
+[   85.574124][ T9436]  ? lock_downgrade+0x7f0/0x7f0
+[   85.578955][ T9436]  ? lock_acquire+0x197/0x420
+[   85.583608][ T9436]  ? __might_fault+0xef/0x1d0
+[   85.588269][ T9436]  ? __fget_light+0x1a5/0x270
+[   85.592933][ T9436]  __sys_sendmsg+0xec/0x1b0
+[   85.597415][ T9436]  ? __sys_sendmsg_sock+0xb0/0xb0
+[   85.602443][ T9436]  ? __ia32_sys_futex_time32+0x32a/0x494
+[   85.608065][ T9436]  ? trace_hardirqs_off_caller+0x55/0x230
+[   85.613764][ T9436]  ? do_fast_syscall_32+0xcc/0xe8f
+[   85.618942][ T9436]  do_fast_syscall_32+0x270/0xe8f
+[   85.623950][ T9436]  entry_SYSENTER_compat+0x70/0x7f
+[   85.630452][ T9436] Kernel Offset: disabled
+[   85.634771][ T9436] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/475 b/pkg/report/testdata/linux/report/475
new file mode 100644
index 000000000..54b578bab
--- /dev/null
+++ b/pkg/report/testdata/linux/report/475
@@ -0,0 +1,144 @@
+TITLE: KASAN: use-after-free Read in ip6_fragment
+
+[   78.614475][ T8947] ==================================================================
+[   78.622699][ T8947] BUG: KASAN: use-after-free in kfree_skb_list+0x5d/0x60
+[   78.629722][ T8947] Read of size 8 at addr ffff888085a3cbc0 by task syz-executor303/8947
+[   78.637952][ T8947]
+[   78.640287][ T8947] CPU: 0 PID: 8947 Comm: syz-executor303 Not tainted 5.2.0-rc2+ #12
+[   78.648280][ T8947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   78.658341][ T8947] Call Trace:
+[   78.661643][ T8947]  dump_stack+0x172/0x1f0
+[   78.665982][ T8947]  ? kfree_skb_list+0x5d/0x60
+[   78.670671][ T8947]  print_address_description.cold+0x7c/0x20d
+[   78.676659][ T8947]  ? kfree_skb_list+0x5d/0x60
+[   78.681387][ T8947]  ? kfree_skb_list+0x5d/0x60
+[   78.686072][ T8947]  __kasan_report.cold+0x1b/0x40
+[   78.691009][ T8947]  ? lockdep_hardirqs_on+0x3d0/0x5d0
+[   78.696297][ T8947]  ? kfree_skb_list+0x5d/0x60
+[   78.700988][ T8947]  kasan_report+0x12/0x20
+[   78.705327][ T8947]  __asan_report_load8_noabort+0x14/0x20
+[   78.710965][ T8947]  kfree_skb_list+0x5d/0x60
+[   78.715481][ T8947]  ip6_fragment+0x1ef4/0x2680
+[   78.720201][ T8947]  ? mark_held_locks+0xf0/0xf0
+[   78.725014][ T8947]  ? ip6_forward_finish+0x570/0x570
+[   78.730245][ T8947]  ? ip6_forward+0x3870/0x3870
+[   78.735019][ T8947]  ? ip6_mtu+0x2e6/0x460
+[   78.739280][ T8947]  ? lock_downgrade+0x880/0x880
+[   78.744150][ T8947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[   78.750435][ T8947]  ? kasan_check_read+0x11/0x20
+[   78.755310][ T8947]  __ip6_finish_output+0x577/0xaa0
+[   78.760450][ T8947]  ip6_finish_output+0x38/0x1f0
+[   78.765319][ T8947]  ip6_output+0x235/0x7f0
+[   78.769660][ T8947]  ? ip6_finish_output+0x1f0/0x1f0
+[   78.774785][ T8947]  ? __ip6_finish_output+0xaa0/0xaa0
+[   78.780083][ T8947]  ? ip6_autoflowlabel.part.0+0x70/0x70
+[   78.785636][ T8947]  ip6_local_out+0xbb/0x1b0
+[   78.790178][ T8947]  ip6_send_skb+0xbb/0x350
+[   78.794614][ T8947]  ip6_push_pending_frames+0xc8/0xf0
+[   78.799906][ T8947]  rawv6_sendmsg+0x2993/0x35e0
+[   78.804687][ T8947]  ? rawv6_getsockopt+0x150/0x150
+[   78.809713][ T8947]  ? aa_profile_af_perm+0x320/0x320
+[   78.814913][ T8947]  ? tomoyo_check_inet_address+0xf7/0x740
+[   78.820640][ T8947]  ? tomoyo_unix_entry+0x5d0/0x5d0
+[   78.825757][ T8947]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
+[   78.831481][ T8947]  ? rw_copy_check_uvector+0x2a6/0x330
+[   78.836969][ T8947]  ? ___might_sleep+0x163/0x280
+[   78.841843][ T8947]  ? __might_sleep+0x95/0x190
+[   78.846544][ T8947]  ? aa_sock_msg_perm.isra.0+0xba/0x170
+[   78.852100][ T8947]  inet_sendmsg+0x141/0x5d0
+[   78.856601][ T8947]  ? inet_sendmsg+0x141/0x5d0
+[   78.861285][ T8947]  ? ipip_gro_receive+0x100/0x100
+[   78.866319][ T8947]  sock_sendmsg+0xd7/0x130
+[   78.870748][ T8947]  ___sys_sendmsg+0x803/0x920
+[   78.875431][ T8947]  ? copy_msghdr_from_user+0x430/0x430
+[   78.880909][ T8947]  ? lock_downgrade+0x880/0x880
+[   78.885770][ T8947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[   78.892022][ T8947]  ? kasan_check_read+0x11/0x20
+[   78.896881][ T8947]  ? __fget+0x381/0x550
+[   78.901060][ T8947]  ? __fget_light+0x1a9/0x230
+[   78.905757][ T8947]  ? __fdget+0x1b/0x20
+[   78.909838][ T8947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
+[   78.916093][ T8947]  __sys_sendmsg+0x105/0x1d0
+[   78.920694][ T8947]  ? __ia32_sys_shutdown+0x80/0x80
+[   78.925811][ T8947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[   78.932068][ T8947]  ? trace_hardirqs_on_thunk+0x1a/0x1c
+[   78.937541][ T8947]  ? do_syscall_64+0x26/0x680
+[   78.942233][ T8947]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[   78.948328][ T8947]  ? do_syscall_64+0x26/0x680
+[   78.953042][ T8947]  __x64_sys_sendmsg+0x78/0xb0
+[   78.957841][ T8947]  do_syscall_64+0xfd/0x680
+[   78.962358][ T8947]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[   78.968274][ T8947] RIP: 0033:0x44add9
+[   78.972197][ T8947] Code: e8 7c e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00
+[   78.991824][ T8947] RSP: 002b:00007f826f33bce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
+[   79.000241][ T8947] RAX: ffffffffffffffda RBX: 00000000006e7a18 RCX: 000000000044add9
+executing program
+[   79.009736][ T8947] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000005
+[   79.017709][ T8947] RBP: 00000000006e7a10 R08: 0000000000000000 R09: 0000000000000000
+[   79.025681][ T8947] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e7a1c
+[   79.033654][ T8947] R13: 00007ffcec4f7ebf R14: 00007f826f33c9c0 R15: 20c49ba5e353f7cf
+[   79.041641][ T8947]
+[   79.043974][ T8947] Allocated by task 8947:
+[   79.048324][ T8947]  save_stack+0x23/0x90
+[   79.052482][ T8947]  __kasan_kmalloc.constprop.0+0xcf/0xe0
+[   79.058114][ T8947]  kasan_slab_alloc+0xf/0x20
+[   79.062719][ T8947]  kmem_cache_alloc_node+0x131/0x710
+[   79.068123][ T8947]  __alloc_skb+0xd5/0x5e0
+[   79.072468][ T8947]  __ip6_append_data.isra.0+0x2a24/0x3640
+[   79.078199][ T8947]  ip6_append_data+0x1e5/0x320
+[   79.082964][ T8947]  rawv6_sendmsg+0x1467/0x35e0
+[   79.087730][ T8947]  inet_sendmsg+0x141/0x5d0
+[   79.092237][ T8947]  sock_sendmsg+0xd7/0x130
+[   79.096674][ T8947]  ___sys_sendmsg+0x803/0x920
+[   79.101353][ T8947]  __sys_sendmsg+0x105/0x1d0
+[   79.105947][ T8947]  __x64_sys_sendmsg+0x78/0xb0
+[   79.110736][ T8947]  do_syscall_64+0xfd/0x680
+[   79.115240][ T8947]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[   79.121132][ T8947]
+[   79.123465][ T8947] Freed by task 8947:
+[   79.127452][ T8947]  save_stack+0x23/0x90
+[   79.131600][ T8947]  __kasan_slab_free+0x102/0x150
+[   79.136574][ T8947]  kasan_slab_free+0xe/0x10
+[   79.141067][ T8947]  kmem_cache_free+0x86/0x260
+[   79.145724][ T8947]  kfree_skbmem+0xc5/0x150
+[   79.150134][ T8947]  kfree_skb+0xf0/0x390
+[   79.154298][ T8947]  kfree_skb_list+0x44/0x60
+[   79.158808][ T8947]  __dev_queue_xmit+0x3034/0x36b0
+[   79.163835][ T8947]  dev_queue_xmit+0x18/0x20
+[   79.168348][ T8947]  neigh_direct_output+0x16/0x20
+[   79.173293][ T8947]  ip6_finish_output2+0x1034/0x2550
+[   79.178498][ T8947]  ip6_fragment+0x1ebb/0x2680
+[   79.183190][ T8947]  __ip6_finish_output+0x577/0xaa0
+[   79.188297][ T8947]  ip6_finish_output+0x38/0x1f0
+[   79.193160][ T8947]  ip6_output+0x235/0x7f0
+[   79.197491][ T8947]  ip6_local_out+0xbb/0x1b0
+[   79.201985][ T8947]  ip6_send_skb+0xbb/0x350
+[   79.206400][ T8947]  ip6_push_pending_frames+0xc8/0xf0
+[   79.211675][ T8947]  rawv6_sendmsg+0x2993/0x35e0
+[   79.216447][ T8947]  inet_sendmsg+0x141/0x5d0
+[   79.220940][ T8947]  sock_sendmsg+0xd7/0x130
+[   79.225384][ T8947]  ___sys_sendmsg+0x803/0x920
+[   79.230049][ T8947]  __sys_sendmsg+0x105/0x1d0
+[   79.234632][ T8947]  __x64_sys_sendmsg+0x78/0xb0
+[   79.239410][ T8947]  do_syscall_64+0xfd/0x680
+[   79.243915][ T8947]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[   79.249798][ T8947]
+[   79.252118][ T8947] The buggy address belongs to the object at ffff888085a3cbc0
+[   79.252118][ T8947]  which belongs to the cache skbuff_head_cache of size 224
+[   79.266696][ T8947] The buggy address is located 0 bytes inside of
+[   79.266696][ T8947]  224-byte region [ffff888085a3cbc0, ffff888085a3cca0)
+[   79.279789][ T8947] The buggy address belongs to the page:
+[   79.285404][ T8947] page:ffffea0002168f00 refcount:1 mapcount:0 mapping:ffff88821b6f63c0 index:0x0
+[   79.294499][ T8947] flags: 0x1fffc0000000200(slab)
+[   79.299476][ T8947] raw: 01fffc0000000200 ffffea00027bbf88 ffffea0002105b88 ffff88821b6f63c0
+[   79.308061][ T8947] raw: 0000000000000000 ffff888085a3c080 000000010000000c 0000000000000000
+[   79.316644][ T8947] page dumped because: kasan: bad access detected
+[   79.323037][ T8947]
+[   79.325351][ T8947] Memory state around the buggy address:
+[   79.330975][ T8947]  ffff888085a3ca80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+[   79.339204][ T8947]  ffff888085a3cb00: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
+[   79.347245][ T8947] >ffff888085a3cb80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
+[   79.355321][ T8947]                                            ^
+[   79.361473][ T8947]  ffff888085a3cc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
+[   79.369580][ T8947]  ffff888085a3cc80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
+[   79.377631][ T8947] ==================================================================
diff --git a/pkg/report/testdata/linux/report/476 b/pkg/report/testdata/linux/report/476
new file mode 100644
index 000000000..2c4d39301
--- /dev/null
+++ b/pkg/report/testdata/linux/report/476
@@ -0,0 +1,93 @@
+TITLE: BUG: unable to handle kernel paging request in audit_data_to_entry
+
+[   17.577241][ T1878] BUG: unable to handle page fault for address: ffffebde00002008
+[   17.586014][ T1878] #PF: supervisor read access in kernel mode
+[   17.587766][ T1878] #PF: error_code(0x0000) - not-present page
+[   17.590010][ T1878] PGD 0 P4D 0
+[   17.591204][ T1878] Oops: 0000 [#1] PREEMPT SMP KASAN
+[   17.592783][ T1878] CPU: 0 PID: 1878 Comm: syz-executor105 Not tainted 5.4.22-syzkaller-01097-gc6059ac63293 #0
+[   17.595604][ T1878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   17.605746][ T1878] RIP: 0010:kfree+0xd6/0x6d0
+[   17.610325][ T1878] Code: f0 02 eb 0a 48 bb 00 00 00 80 7f 77 00 00 4c 01 e3 48 81 eb 00 00 00 80 48 c1 eb 06 48 83 e3 c0 48 b9 00 00 00 00 00 ea ff ff <48> 8b 44 0b 08 a8 01 0f 85 a9 01 00 00 48 01 cb 48 8b 43 08 48 89
+[   17.630106][ T1878] RSP: 0018:ffff8881d0dc7278 EFLAGS: 00010206
+[   17.636288][ T1878] RAX: ffffffff7fffffff RBX: 000001de00002000 RCX: ffffea0000000000
+[   17.644368][ T1878] RDX: 0000000000000000 RSI: ffffffff84648d30 RDI: 0000000000080000
+[   17.652425][ T1878] RBP: ffff8881d0dc72f0 R08: 0000000000000005 R09: ffffffff8140b355
+[   17.660392][ T1878] R10: ffff8881d1868000 R11: 000000000000000a R12: 0000000000080000
+[   17.668379][ T1878] R13: ffff8881d310e000 R14: ffffffff8140b3ec R15: 0000000000000001
+[   17.676486][ T1878] FS:  000000000104c880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000
+[   17.685504][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[   17.692079][ T1878] CR2: ffffebde00002008 CR3: 00000001d4f89002 CR4: 00000000001606f0
+[   17.700191][ T1878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[   17.708170][ T1878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[   17.716210][ T1878] Call Trace:
+[   17.719613][ T1878]  ? audit_data_to_entry+0x225c/0x26c0
+[   17.725080][ T1878]  ? audit_unpack_string+0x92/0x1b0
+[   17.730268][ T1878]  audit_data_to_entry+0x225c/0x26c0
+[   17.735536][ T1878]  ? audit_rule_change+0x1110/0x1110
+[   17.740968][ T1878]  ? unwind_next_frame+0x415/0x870
+[   17.746084][ T1878]  audit_rule_change+0xbe/0x1110
+[   17.751026][ T1878]  ? selinux_capable+0x39/0x50
+[   17.755800][ T1878]  ? security_capable+0xb2/0xd0
+[   17.760660][ T1878]  ? audit_match_signal+0xc70/0xc70
+[   17.765994][ T1878]  ? ns_capable+0x8c/0xe0
+[   17.770308][ T1878]  audit_receive+0xe73/0x3750
+[   17.774976][ T1878]  ? jhash+0x750/0x750
+[   17.779560][ T1878]  ? audit_net_exit+0x90/0x90
+[   17.784250][ T1878]  ? __alloc_skb+0x109/0x540
+[   17.788835][ T1878]  ? jhash+0x750/0x750
+[   17.793038][ T1878]  ? avc_has_perm+0x15f/0x260
+[   17.798006][ T1878]  ? __rcu_read_lock+0x50/0x50
+[   17.802809][ T1878]  ? __rcu_read_lock+0x50/0x50
+[   17.807647][ T1878]  ? __netlink_lookup+0x585/0x600
+[   17.812863][ T1878]  ? netlink_deliver_tap+0xa4/0x7e0
+[   17.818136][ T1878]  ? netlink_autobind+0x1c0/0x1c0
+[   17.823450][ T1878]  ? __rcu_read_lock+0x50/0x50
+[   17.829087][ T1878]  ? selinux_vm_enough_memory+0x160/0x160
+[   17.834803][ T1878]  netlink_unicast+0x87c/0xa20
+[   17.839763][ T1878]  ? netlink_detachskb+0x60/0x60
+[   17.844703][ T1878]  ? security_netlink_send+0xab/0xc0
+[   17.849985][ T1878]  netlink_sendmsg+0x9a7/0xd40
+[   17.854744][ T1878]  ? netlink_getsockopt+0x900/0x900
+[   17.859937][ T1878]  ? security_socket_sendmsg+0xad/0xc0
+[   17.865391][ T1878]  ? netlink_getsockopt+0x900/0x900
+[   17.870570][ T1878]  ____sys_sendmsg+0x56f/0x860
+[   17.875379][ T1878]  ? __sys_sendmsg_sock+0x2a0/0x2a0
+[   17.880712][ T1878]  ? __kasan_check_read+0x11/0x20
+[   17.885726][ T1878]  ? __kasan_check_read+0x11/0x20
+[   17.891785][ T1878]  ? __fdget+0x156/0x200
+[   17.896018][ T1878]  __sys_sendmsg+0x26a/0x350
+[   17.900641][ T1878]  ? ____sys_sendmsg+0x860/0x860
+[   17.905653][ T1878]  ? finish_fault+0x230/0x230
+[   17.910332][ T1878]  ? __up_read+0x6f/0x1b0
+[   17.914668][ T1878]  ? __down_read+0x240/0x240
+[   17.919251][ T1878]  __x64_sys_sendmsg+0x7f/0x90
+[   17.924185][ T1878]  do_syscall_64+0xc0/0x100
+[   17.928682][ T1878]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
+[   17.934556][ T1878] RIP: 0033:0x440cf9
+[   17.938468][ T1878] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
+[   17.958392][ T1878] RSP: 002b:00007fff5acb9b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
+[   17.966986][ T1878] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440cf9
+[   17.974945][ T1878] RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000003
+[   17.983107][ T1878] RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8
+[   17.991069][ T1878] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402580
+[   17.999032][ T1878] R13: 0000000000402610 R14: 0000000000000000 R15: 0000000000000000
+[   18.006997][ T1878] Modules linked in:
+[   18.010888][ T1878] CR2: ffffebde00002008
+[   18.015021][ T1878] ---[ end trace f6042e9bcc2fc7f0 ]---
+[   18.020561][ T1878] RIP: 0010:kfree+0xd6/0x6d0
+[   18.025157][ T1878] Code: f0 02 eb 0a 48 bb 00 00 00 80 7f 77 00 00 4c 01 e3 48 81 eb 00 00 00 80 48 c1 eb 06 48 83 e3 c0 48 b9 00 00 00 00 00 ea ff ff <48> 8b 44 0b 08 a8 01 0f 85 a9 01 00 00 48 01 cb 48 8b 43 08 48 89
+[   18.044869][ T1878] RSP: 0018:ffff8881d0dc7278 EFLAGS: 00010206
+[   18.051280][ T1878] RAX: ffffffff7fffffff RBX: 000001de00002000 RCX: ffffea0000000000
+[   18.059262][ T1878] RDX: 0000000000000000 RSI: ffffffff84648d30 RDI: 0000000000080000
+[   18.067221][ T1878] RBP: ffff8881d0dc72f0 R08: 0000000000000005 R09: ffffffff8140b355
+[   18.075333][ T1878] R10: ffff8881d1868000 R11: 000000000000000a R12: 0000000000080000
+[   18.083397][ T1878] R13: ffff8881d310e000 R14: ffffffff8140b3ec R15: 0000000000000001
+[   18.091360][ T1878] FS:  000000000104c880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000
+[   18.101368][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[   18.108044][ T1878] CR2: ffffebde00002008 CR3: 00000001d4f89002 CR4: 00000000001606f0
+[   18.116013][ T1878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[   18.123982][ T1878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[   18.131942][ T1878] Kernel panic - not syncing: Fatal exception
+[   18.138889][ T1878] Kernel Offset: disabled
+[   18.143483][ T1878] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/477 b/pkg/report/testdata/linux/report/477
new file mode 100644
index 000000000..b6302e116
--- /dev/null
+++ b/pkg/report/testdata/linux/report/477
@@ -0,0 +1,73 @@
+TITLE: BUG: corrupted list in ath9k_htc_wait_for_target
+
+[  348.947111][ T4333] ------------[ cut here ]------------
+[  348.947754][ T4333] kernel BUG at lib/list_debug.c:51!
+[  348.950815][ T4333] invalid opcode: 0000 [#1] SMP KASAN
+[  348.951779][ T4333] CPU: 0 PID: 4333 Comm: kworker/0:9 Not tainted 5.6.0-rc6+ #156
+[  348.952713][ T4333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
+[  348.953769][ T4333] Workqueue: events request_firmware_work_func
+[  348.954476][ T4333] RIP: 0010:__list_del_entry_valid.cold+0xf/0x55
+[  348.955215][ T4333] Code: e8 e4 41 3e ff 0f 0b 48 89 f1 48 c7 c7 c0 27 fc 85 4c 89 e6 e8 d0 41 3e ff 0f 0b 48 89 ee 48 c7 c7 60 29 fc 85 e8 bf 41 3e ff <0f> 0b 4c 89 ea 48 89 ee 48 c7 c7 a0 28 fc 85 e8 ab 41 3e ff 0f 0b
+[  348.965784][ T4333] RSP: 0018:ffff888040e8f9b0 EFLAGS: 00010086
+[  348.966476][ T4333] RAX: 0000000000000054 RBX: ffff88805b72a440 RCX: 0000000000000000
+[  348.967431][ T4333] RDX: 0000000000000000 RSI: ffffffff812975ed RDI: ffffed10081d1f28
+[  348.968357][ T4333] RBP: ffff888040e8fa38 R08: 0000000000000054 R09: ffffed100d946250
+[  348.969334][ T4333] R10: ffffed100d94624f R11: ffff88806ca3127f R12: ffff88805b72a480
+[  348.970246][ T4333] R13: ffff88805b72a480 R14: dffffc0000000000 R15: ffff888040e8fa38
+[  348.971174][ T4333] FS:  0000000000000000(0000) GS:ffff88806ca00000(0000) knlGS:0000000000000000
+[  348.972229][ T4333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  348.972983][ T4333] CR2: 000055b4f6c78d90 CR3: 00000000664d3001 CR4: 0000000000760ef0
+[  348.973909][ T4333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  348.974790][ T4333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  348.975705][ T4333] PKRU: 55555554
+[  348.976109][ T4333] Call Trace:
+[  348.976501][ T4333]  wait_for_completion_timeout+0x2b7/0x3e0
+[  348.977182][ T4333]  ? debug_object_fixup+0x20/0x20
+[  348.977777][ T4333]  ? wait_for_completion_io_timeout+0x3e0/0x3e0
+[  348.978474][ T4333]  ? wake_up_q+0x140/0x140
+[  348.979001][ T4333]  ? lockdep_init_map+0x1b0/0x5e0
+[  348.979583][ T4333]  ? ieee80211_roc_setup+0x2b8/0x3a0
+[  348.980237][ T4333]  ath9k_htc_wait_for_target.isra.0+0xb9/0x1b0
+[  348.981712][ T4333]  ath9k_htc_probe_device+0x1a4/0x1d80
+[  348.982567][ T4333]  ? ath9k_init_htc_services.constprop.0+0x650/0x650
+[  348.983654][ T4333]  ? usb_submit_urb+0x6ed/0x1460
+[  348.984239][ T4333]  ? usb_free_urb.part.0+0x52/0x110
+[  348.984925][ T4333]  ? usb_free_urb+0x1b/0x30
+[  348.985451][ T4333]  ath9k_htc_hw_init+0x31/0x60
+[  348.985996][ T4333]  ath9k_hif_usb_firmware_cb+0x26b/0x500
+[  348.986811][ T4333]  ? ath9k_hif_usb_resume+0x320/0x320
+[  348.987442][ T4333]  request_firmware_work_func+0x126/0x242
+[  348.988100][ T4333]  ? request_firmware_into_buf+0x90/0x90
+[  348.988750][ T4333]  ? rcu_read_lock_sched_held+0x9c/0xd0
+[  348.989392][ T4333]  ? rcu_read_lock_bh_held+0xb0/0xb0
+[  348.989997][ T4333]  process_one_work+0x94b/0x1620
+[  348.990715][ T4333]  ? pwq_dec_nr_in_flight+0x310/0x310
+[  348.991311][ T4333]  ? do_raw_spin_lock+0x129/0x290
+[  348.991892][ T4333]  worker_thread+0x96/0xe20
+[  348.992432][ T4333]  ? process_one_work+0x1620/0x1620
+[  348.993028][ T4333]  kthread+0x318/0x420
+[  348.993507][ T4333]  ? kthread_create_on_node+0xf0/0xf0
+[  348.994258][ T4333]  ret_from_fork+0x24/0x30
+[  348.994818][ T4333] Modules linked in:
+[  348.995262][ T4333] Dumping ftrace buffer:
+[  348.995744][ T4333]    (ftrace buffer empty)
+[  348.996257][ T4333] ---[ end trace ccd500e929f6e52d ]---
+[  348.996945][ T4333] RIP: 0010:__list_del_entry_valid.cold+0xf/0x55
+[  348.997679][ T4333] Code: e8 e4 41 3e ff 0f 0b 48 89 f1 48 c7 c7 c0 27 fc 85 4c 89 e6 e8 d0 41 3e ff 0f 0b 48 89 ee 48 c7 c7 60 29 fc 85 e8 bf 41 3e ff <0f> 0b 4c 89 ea 48 89 ee 48 c7 c7 a0 28 fc 85 e8 ab 41 3e ff 0f 0b
+[  349.000028][ T4333] RSP: 0018:ffff888040e8f9b0 EFLAGS: 00010086
+[  349.000727][ T4333] RAX: 0000000000000054 RBX: ffff88805b72a440 RCX: 0000000000000000
+[  349.001669][ T4333] RDX: 0000000000000000 RSI: ffffffff812975ed RDI: ffffed10081d1f28
+[  349.002783][ T4333] RBP: ffff888040e8fa38 R08: 0000000000000054 R09: ffffed100d946250
+[  349.003677][ T4333] R10: ffffed100d94624f R11: ffff88806ca3127f R12: ffff88805b72a480
+[  349.004578][ T4333] R13: ffff88805b72a480 R14: dffffc0000000000 R15: ffff888040e8fa38
+[  349.005549][ T4333] FS:  0000000000000000(0000) GS:ffff88806ca00000(0000) knlGS:0000000000000000
+[  349.006569][ T4333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  349.007310][ T4333] CR2: 000055b4f6c78d90 CR3: 00000000664d3001 CR4: 0000000000760ef0
+[  349.008249][ T4333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  349.009174][ T4333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  349.010113][ T4333] PKRU: 55555554
+[  349.010949][ T4333] Kernel panic - not syncing: Fatal exception
+[  349.012076][ T4333] Dumping ftrace buffer:
+[  349.012572][ T4333]    (ftrace buffer empty)
+[  349.013132][ T4333] Kernel Offset: disabled
+[  349.013724][ T4333] Rebooting in 1 seconds..
diff --git a/pkg/report/testdata/linux/report/478 b/pkg/report/testdata/linux/report/478
new file mode 100644
index 000000000..7326e4088
--- /dev/null
+++ b/pkg/report/testdata/linux/report/478
@@ -0,0 +1,147 @@
+TITLE: KASAN: use-after-free Read in ucma_destroy_id
+
+[  308.398169] ==================================================================
+[  308.405617] BUG: KASAN: use-after-free in __lock_acquire+0x37c2/0x4ec0
+[  308.412292] Read of size 8 at addr ffff8801d28a81a8 by task syz-executor4/12225
+[  308.419750] 
+[  308.421389] CPU: 1 PID: 12225 Comm: syz-executor4 Not tainted 4.19.0-rc8+ #72
+[  308.428659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  308.438010] Call Trace:
+[  308.440609]  dump_stack+0x1c4/0x2b4
+[  308.444246]  ? dump_stack_print_info.cold.2+0x52/0x52
+[  308.449487]  ? printk+0xa7/0xcf
+[  308.452785]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
+[  308.457562]  print_address_description.cold.8+0x9/0x1ff
+[  308.462943]  kasan_report.cold.9+0x242/0x309
+[  308.467369]  ? __lock_acquire+0x37c2/0x4ec0
+[  308.471708]  __asan_report_load8_noabort+0x14/0x20
+[  308.476656]  __lock_acquire+0x37c2/0x4ec0
+[  308.480814]  ? preempt_notifier_register+0x200/0x200
+[  308.485944]  ? __switch_to_asm+0x34/0x70
+[  308.490011]  ? __switch_to_asm+0x34/0x70
+[  308.494082]  ? __switch_to_asm+0x40/0x70
+[  308.498152]  ? __switch_to_asm+0x34/0x70
+[  308.502223]  ? __switch_to_asm+0x40/0x70
+[  308.506289]  ? __switch_to_asm+0x34/0x70
+[  308.510378]  ? __switch_to_asm+0x40/0x70
+[  308.514451]  ? __switch_to_asm+0x34/0x70
+[  308.518526]  ? __switch_to_asm+0x34/0x70
+[  308.522605]  ? mark_held_locks+0x130/0x130
+[  308.526855]  ? __schedule+0x874/0x1ed0
+[  308.530756]  ? __sched_text_start+0x8/0x8
+[  308.534909]  ? lock_acquire+0x1ed/0x520
+[  308.538979]  ? ucma_destroy_id+0x326/0x550
+[  308.543230]  ? lock_release+0x970/0x970
+[  308.547210]  ? arch_local_save_flags+0x40/0x40
+[  308.551798]  ? mark_held_locks+0x130/0x130
+[  308.551817]  ? graph_lock+0x170/0x170
+[  308.551837]  ? graph_lock+0x170/0x170
+[  308.551855]  ? schedule+0x108/0x460
+[  308.551874]  ? __schedule+0x1ed0/0x1ed0
+[  308.567340]  ? find_held_lock+0x36/0x1c0
+[  308.567360]  lock_acquire+0x1ed/0x520
+[  308.567378]  ? wait_for_completion+0x436/0x8a0
+[  308.567394]  ? lock_release+0x970/0x970
+[  308.567415]  ? trace_hardirqs_off+0xb8/0x310
+[  308.592166]  ? usleep_range+0x1a0/0x1a0
+[  308.596165]  ? wait_for_completion+0x436/0x8a0
+[  308.600762]  ? trace_hardirqs_on+0x310/0x310
+[  308.605179]  ? kasan_check_write+0x14/0x20
+[  308.609432]  _raw_spin_lock_irq+0x61/0x80
+[  308.613587]  ? wait_for_completion+0x436/0x8a0
+[  308.618179]  wait_for_completion+0x436/0x8a0
+[  308.622598]  ? wait_for_completion_interruptible+0x840/0x840
+[  308.628400]  ? wake_up_q+0x100/0x100
+[  308.632135]  ucma_destroy_id+0x38a/0x550
+[  308.636205]  ? ucma_close+0x310/0x310
+[  308.640009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
+[  308.640024]  ? _copy_from_user+0xdf/0x150
+[  308.640037]  ? ucma_close+0x310/0x310
+[  308.640050]  ucma_write+0x365/0x460
+[  308.640065]  ? ucma_open+0x3f0/0x3f0
+[  308.640096]  ? ___might_sleep+0x1ed/0x300
+[  308.665043]  __vfs_write+0x119/0x9f0
+[  308.668771]  ? __fget_light+0x2e9/0x430
+[  308.672763]  ? ucma_open+0x3f0/0x3f0
+[  308.676489]  ? kernel_read+0x120/0x120
+[  308.680391]  ? __might_sleep+0x95/0x190
+[  308.684384]  ? arch_local_save_flags+0x40/0x40
+[  308.688981]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
+[  308.694535]  ? __inode_security_revalidate+0xd9/0x120
+[  308.699737]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
+[  308.704764]  ? selinux_file_permission+0x90/0x540
+[  308.709616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  308.715162]  ? security_file_permission+0x1c2/0x230
+[  308.720210]  ? rw_verify_area+0x118/0x360
+[  308.720227]  vfs_write+0x1fc/0x560
+[  308.720243]  ksys_write+0x101/0x260
+[  308.720264]  ? __ia32_sys_read+0xb0/0xb0
+[  308.731567]  ? __bpf_trace_preemptirq_template+0x30/0x30
+[  308.731585]  __x64_sys_write+0x73/0xb0
+[  308.731604]  do_syscall_64+0x1b9/0x820
+[  308.731621]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
+[  308.731638]  ? syscall_return_slowpath+0x5e0/0x5e0
+[  308.731653]  ? trace_hardirqs_on_caller+0x310/0x310
+[  308.731673]  ? prepare_exit_to_usermode+0x3b0/0x3b0
+[  308.769246]  ? recalc_sigpending_tsk+0x180/0x180
+[  308.774003]  ? kasan_check_write+0x14/0x20
+[  308.778244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
+[  308.783088]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  308.788267] RIP: 0033:0x457569
+[  308.791447] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[  308.810345] RSP: 002b:00007fe8a3f8ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
+[  308.818068] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
+[  308.825345] RDX: 0000000000000018 RSI: 0000000020000280 RDI: 0000000000000005
+[  308.832614] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
+[  308.839871] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe8a3f8f6d4
+[  308.847125] R13: 00000000004cb4f8 R14: 00000000004d8b68 R15: 00000000ffffffff
+[  308.854378] 
+[  308.855989] Allocated by task 12210:
+[  308.859692]  save_stack+0x43/0xd0
+[  308.863129]  kasan_kmalloc+0xc7/0xe0
+[  308.866833]  kmem_cache_alloc_trace+0x152/0x750
+[  308.871495]  ucma_alloc_ctx+0xce/0x690
+[  308.875363]  ucma_create_id+0x27d/0x990
+[  308.879335]  ucma_write+0x365/0x460
+[  308.882949]  __vfs_write+0x119/0x9f0
+[  308.886645]  vfs_write+0x1fc/0x560
+[  308.890174]  ksys_write+0x101/0x260
+[  308.893802]  __x64_sys_write+0x73/0xb0
+[  308.897694]  do_syscall_64+0x1b9/0x820
+[  308.901569]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  308.906732] 
+[  308.908342] Freed by task 12210:
+[  308.911691]  save_stack+0x43/0xd0
+[  308.915128]  __kasan_slab_free+0x102/0x150
+[  308.919358]  kasan_slab_free+0xe/0x10
+[  308.923148]  kfree+0xcf/0x230
+[  308.926240]  ucma_free_ctx+0x9e6/0xdb0
+[  308.930118]  ucma_close+0x121/0x310
+[  308.933742]  __fput+0x385/0xa30
+[  308.937015]  ____fput+0x15/0x20
+[  308.940298]  task_work_run+0x1e8/0x2a0
+[  308.944208]  get_signal+0x155e/0x1980
+[  308.948124]  do_signal+0x9c/0x21e0
+[  308.951667]  exit_to_usermode_loop+0x2e5/0x380
+[  308.956234]  do_syscall_64+0x6be/0x820
+[  308.960104]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  308.965267] 
+[  308.966877] The buggy address belongs to the object at ffff8801d28a8180
+[  308.966877]  which belongs to the cache kmalloc-256 of size 256
+[  308.979514] The buggy address is located 40 bytes inside of
+[  308.979514]  256-byte region [ffff8801d28a8180, ffff8801d28a8280)
+[  308.991440] The buggy address belongs to the page:
+[  308.996388] page:ffffea00074a2a00 count:1 mapcount:0 mapping:ffff8801da8007c0 index:0x0
+[  309.004511] flags: 0x2fffc0000000100(slab)
+[  309.008732] raw: 02fffc0000000100 ffffea000760b108 ffffea0007491148 ffff8801da8007c0
+[  309.016619] raw: 0000000000000000 ffff8801d28a8040 000000010000000c 0000000000000000
+[  309.024477] page dumped because: kasan: bad access detected
+[  309.030162] 
+[  309.031768] Memory state around the buggy address:
+[  309.036685]  ffff8801d28a8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+[  309.044035]  ffff8801d28a8100: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
+[  309.051377] >ffff8801d28a8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
+[  309.058734]                                   ^
+[  309.063398]  ffff8801d28a8200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
+[  309.070750]  ffff8801d28a8280: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
+[  309.078092] ==================================================================