pkg/report: add more KMSAN tests

6 files changed, 348 insertions, 0 deletions

diff --git a/pkg/report/testdata/linux/report/632 b/pkg/report/testdata/linux/report/632
new file mode 100644
index 000000000..cef377adc
--- /dev/null
+++ b/pkg/report/testdata/linux/report/632
@@ -0,0 +1,55 @@
+TITLE: KMSAN: uninit-value in __perf_event_task_sched_in
+ALT: bad-access in __perf_event_task_sched_in
+
+[ 1307.507727][    T0] =====================================================
+[ 1307.507800][    T5] kmsan_internal_set_shadow_origin: not memsetting 24 bytes starting at ffff8881024001a0, because the shadow is NULL
+[ 1307.514750][    T0] BUG: KMSAN: uninit-value in __perf_event_task_sched_in+0x2b6/0xca0
+[ 1307.514815][    T0]  __perf_event_task_sched_in+0x2b6/0xca0
+[ 1307.514872][    T0]  finish_task_switch+0x72c/0xad0
+[ 1307.514916][    T0]  __schedule+0x182c/0x20a0
+[ 1307.514967][    T0]  schedule_idle+0x5b/0x90
+[ 1307.515017][    T0]  do_idle+0x816/0x840
+[ 1307.515137][    T0]  cpu_startup_entry+0x3c/0x40
+[ 1307.515194][    T0]  start_secondary+0x112/0x120
+[ 1307.515247][    T0]  secondary_startup_64_no_verify+0xb1/0xbb
+[ 1307.515309][    T0] 
+[ 1307.515316][    T0] ------------[ cut here ]------------
+[ 1307.515328][    T0] slab index 52160 out of bounds (604) for stack id 0283cbc0
+[ 1307.515910][    T0] WARNING: CPU: 1 PID: 0 at lib/stackdepot.c:293 stack_depot_fetch+0x2f/0x60
+[ 1307.516000][    T0] Modules linked in:
+[ 1307.516019][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.16.0-rc5-syzkaller #0
+[ 1307.516069][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 1307.516094][    T0] RIP: 0010:stack_depot_fetch+0x2f/0x60
+[ 1307.516143][    T0] Code: 48 c7 06 00 00 00 00 31 db 85 ff 74 45 89 f9 0f b7 c1 8b 15 83 59 8f 0b 39 d0 7e 12 48 c7 c7 55 cd ed 90 89 c6 e8 e1 b0 fb fa <0f> 0b eb 24 89 c0 48 8b 04 c5 00 b8 fc 91 48 85 c0 74 15 c1 e9 0c
+[ 1307.516190][    T0] RSP: 0018:ffff888102c4f848 EFLAGS: 00010046
+[ 1307.516225][    T0] RAX: ee1befff8248f700 RBX: 0000000000000000 RCX: ffff888102c3c100
+[ 1307.516260][    T0] RDX: 0000000040000000 RSI: 0000000080000003 RDI: 0000000000000000
+[ 1307.516290][    T0] RBP: ffff888102c4f850 R08: ffffffff81961950 R09: 0000000000000000
+[ 1307.516324][    T0] R10: 0000000000000012 R11: ffff888102c3c100 R12: ffff888102c4f9a8
+[ 1307.516357][    T0] R13: ffff888102c3c100 R14: 0000000000000008 R15: 000000000283cbc0
+[ 1307.516389][    T0] FS:  0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000
+[ 1307.516429][    T0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[ 1307.516461][    T0] CR2: 00000000f7050034 CR3: 000000008112e000 CR4: 00000000003506e0
+[ 1307.516495][    T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[ 1307.516524][    T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[ 1307.516553][    T0] Call Trace:
+[ 1307.516566][    T0]  <TASK>
+[ 1307.516583][    T0]  kmsan_print_origin+0x41/0x2e0
+[ 1307.516720][    T0]  kmsan_report+0x1dd/0x2f0
+[ 1307.517857][    T0]  __msan_warning+0xb8/0x130
+[ 1307.517908][    T0]  __perf_event_task_sched_in+0x2b6/0xca0
+[ 1307.518042][    T0]  finish_task_switch+0x72c/0xad0
+[ 1307.518099][    T0]  __schedule+0x182c/0x20a0
+[ 1307.518168][    T0]  schedule_idle+0x5b/0x90
+[ 1307.518222][    T0]  do_idle+0x816/0x840
+[ 1307.518289][    T0]  cpu_startup_entry+0x3c/0x40
+[ 1307.518402][    T0]  start_secondary+0x112/0x120
+[ 1307.518451][    T0]  secondary_startup_64_no_verify+0xb1/0xbb
+[ 1307.518525][    T0]  </TASK>
+[ 1307.518541][    T0] ---[ end trace d0954b51d36472ee ]---
+[ 1307.518561][    T0] Uninit was created at:
+[ 1307.518571][    T0] (stack is not available)
+[ 1307.518580][    T0] 
+[ 1307.518589][    T0] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W         5.16.0-rc5-syzkaller #0
+[ 1307.518639][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[ 1307.518663][    T0] =====================================================
diff --git a/pkg/report/testdata/linux/report/633 b/pkg/report/testdata/linux/report/633
new file mode 100644
index 000000000..18e4ef315
--- /dev/null
+++ b/pkg/report/testdata/linux/report/633
@@ -0,0 +1,71 @@
+TITLE: KMSAN: uninit-value in prepend_path
+ALT: bad-access in prepend_path
+
+[  370.741346][ T8537] =====================================================
+[  370.748447][ T8537] BUG: KMSAN: uninit-value in prepend_path+0x4ff/0x12b0
+[  370.767511][ T8537]  prepend_path+0x4ff/0x12b0
+[  370.767565][ T8537]  d_absolute_path+0x193/0x340
+[  370.777589][ T8537]  tomoyo_realpath_from_path+0x693/0xc30
+[  370.787645][ T8537]  tomoyo_path_number_perm+0x2c1/0xb00
+[  370.787695][ T8537]  tomoyo_path_mknod+0x2d2/0x370
+[  370.798829][ T8537]  security_path_mknod+0x250/0x340
+[  370.809225][ T8537]  path_openat+0x1bb8/0x5dd0
+[  370.822492][ T8537]  do_filp_open+0x306/0x760
+[  370.822546][ T8537]  do_sys_openat2+0x263/0x8f0
+[  370.837151][ T8537]  __x64_sys_open+0x314/0x380
+[  370.837196][ T8537]  do_syscall_64+0x54/0xd0
+[  370.846688][ T8537]  entry_SYSCALL_64_after_hwframe+0x44/0xae
+[  370.853694][ T8537] 
+[  370.853702][ T8537] ------------[ cut here ]------------
+[  370.853712][ T8537] slab index 52784 out of bounds (433) for stack id 02aece30
+[  370.854304][ T8537] WARNING: CPU: 1 PID: 8537 at lib/stackdepot.c:293 stack_depot_fetch+0x33/0x60
+[  370.862785][ T8537] Modules linked in:
+[  370.862803][ T8537] CPU: 1 PID: 8537 Comm: systemd-udevd Not tainted 5.16.0-rc3-syzkaller #0
+[  370.875525][ T8537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  370.875550][ T8537] RIP: 0010:stack_depot_fetch+0x33/0x60
+[  370.897482][ T8537] Code: 00 00 00 31 db 85 ff 74 49 89 f9 0f b7 c1 8b 15 63 6e 8e 0b 39 d0 7e 16 31 db 48 c7 c7 a5 e2 ed 90 89 c6 31 c0 e8 1d bb fa fa <0f> 0b eb 24 89 c0 48 8b 04 c5 d0 87 fc 91 48 85 c0 74 15 c1 e9 0c
+[  370.897526][ T8537] RSP: 0018:ffff8880955030c8 EFLAGS: 00010046
+[  370.910323][ T8537] 
+[  370.910334][ T8537] RAX: e3593401f7992d00 RBX: 0000000000000000 RCX: ffff888095490000
+[  370.910371][ T8537] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
+[  370.925439][ T8537] RBP: ffff8880955030d0 R08: ffffffff81966aa7 R09: 0000000000000000
+[  370.925476][ T8537] R10: 0000000000000012 R11: ffff888095490000 R12: ffff888095503228
+[  370.937924][ T8537] R13: ffff888095490000 R14: 000000000000000c R15: 0000000002aece30
+[  370.937958][ T8537] FS:  00007fcc353458c0(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000
+[  370.950326][ T8537] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  370.950361][ T8537] CR2: 00007f73e61a41b8 CR3: 000000001e1cf000 CR4: 00000000003506e0
+[  370.963855][ T8537] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  370.963887][ T8537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  370.963916][ T8537] Call Trace:
+[  370.989560][ T8537]  <TASK>
+[  370.989578][ T8537]  kmsan_print_origin+0x41/0x310
+[  371.015831][ T8537]  kmsan_report+0x1ed/0x310
+[  371.465751][ T8537]  __msan_warning+0xb8/0x130
+[  371.470382][ T8537]  prepend_path+0x4ff/0x12b0
+[  371.475031][ T8537]  d_absolute_path+0x193/0x340
+[  371.484520][ T8537]  tomoyo_realpath_from_path+0x693/0xc30
+[  371.495209][ T8537]  tomoyo_path_number_perm+0x2c1/0xb00
+[  371.511737][ T8537]  tomoyo_path_mknod+0x2d2/0x370
+[  371.522045][ T8537]  security_path_mknod+0x250/0x340
+[  371.527201][ T8537]  path_openat+0x1bb8/0x5dd0
+[  371.531869][ T8537]  do_filp_open+0x306/0x760
+[  371.536443][ T8537]  do_sys_openat2+0x263/0x8f0
+[  371.552603][ T8537]  __x64_sys_open+0x314/0x380
+[  371.557323][ T8537]  do_syscall_64+0x54/0xd0
+[  371.566401][ T8537]  entry_SYSCALL_64_after_hwframe+0x44/0xae
+[  371.572345][ T8537] RIP: 0033:0x7fcc341b76f0
+[  371.576779][ T8537] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24
+[  371.596417][ T8537] RSP: 002b:00007ffd094d6588 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
+[  371.604858][ T8537] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc341b76f0
+[  371.612850][ T8537] RDX: 0000000000000180 RSI: 00000000000800c2 RDI: 000055cbd62fa370
+[  371.620843][ T8537] RBP: 000000000003a2f8 R08: 000000000000feff R09: 0000000000000030
+[  371.628832][ T8537] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cbd62fa385
+[  371.636820][ T8537] R13: 8421084210842109 R14: 00000000000800c2 R15: 00007fcc34245540
+[  371.644844][ T8537]  </TASK>
+[  371.647870][ T8537] ---[ end trace c6bc523568e2a7ac ]---
+[  371.653336][ T8537] Uninit was created at:
+[  371.657571][ T8537] (stack is not available)
+[  371.661979][ T8537] 
+[  371.664302][ T8537] CPU: 1 PID: 8537 Comm: systemd-udevd Tainted: G      D W         5.16.0-rc3-syzkaller #0
+[  371.674308][ T8537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  371.684375][ T8537] =====================================================
diff --git a/pkg/report/testdata/linux/report/634 b/pkg/report/testdata/linux/report/634
new file mode 100644
index 000000000..bab9f83b9
--- /dev/null
+++ b/pkg/report/testdata/linux/report/634
@@ -0,0 +1,110 @@
+TITLE: KMSAN: kernel-infoleak in urandom_read_nowarn
+ALT: bad-access in urandom_read_nowarn
+
+[  600.161674][ T9046] =====================================================
+[  600.168788][ T9046] BUG: KMSAN: kernel-infoleak in _copy_to_user+0x1c9/0x270
+[  600.176027][ T9046]  _copy_to_user+0x1c9/0x270
+[  600.180651][ T9046]  urandom_read_nowarn+0x57b/0xb10
+[  600.185814][ T9046]  __x64_sys_getrandom+0x34a/0x460
+[  600.191004][ T9046]  do_syscall_64+0x54/0xd0
+[  600.195447][ T9046]  entry_SYSCALL_64_after_hwframe+0x44/0xae
+[  600.201384][ T9046] 
+[  600.203707][ T9046] Uninit was stored to memory at:
+[  600.208784][ T9046]  chacha_permute+0x12db/0x1400
+[  600.213671][ T9046]  chacha_block_generic+0xe7/0xb20
+[  600.218823][ T9046]  _extract_crng+0x34d/0x4e0
+[  600.223440][ T9046]  _get_random_bytes+0x358/0x5b0
+[  600.228417][ T9046]  get_random_bytes+0x11e/0x300
+[  600.233308][ T9046]  nsim_dev_trap_report_work+0x4f4/0x1120
+[  600.239214][ T9046]  process_one_work+0xdc2/0x1820
+[  600.244263][ T9046]  worker_thread+0x10f1/0x2290
+[  600.249046][ T9046]  kthread+0x721/0x850
+[  600.253146][ T9046]  ret_from_fork+0x1f/0x30
+[  600.257619][ T9046] 
+[  600.259974][ T9046] Uninit was stored to memory at:
+[  600.265068][ T9046]  chacha_block_generic+0xc3/0xb20
+[  600.270221][ T9046]  _extract_crng+0x34d/0x4e0
+[  600.274832][ T9046]  _get_random_bytes+0x358/0x5b0
+[  600.279806][ T9046]  get_random_bytes+0x11e/0x300
+[  600.284695][ T9046]  nsim_dev_trap_report_work+0x4f4/0x1120
+[  600.290450][ T9046]  process_one_work+0xdc2/0x1820
+[  600.295430][ T9046]  worker_thread+0x10f1/0x2290
+[  600.300214][ T9046]  kthread+0x721/0x850
+[  600.304309][ T9046]  ret_from_fork+0x1f/0x30
+[  600.308757][ T9046] 
+[  600.311080][ T9046] Uninit was stored to memory at:
+[  600.316146][ T9046]  crng_reseed+0x638/0xfb0
+[  600.320583][ T9046]  _extract_crng+0x1fc/0x4e0
+[  600.325199][ T9046]  _get_random_bytes+0x358/0x5b0
+[  600.330174][ T9046]  get_random_bytes+0x11e/0x300
+[  600.335063][ T9046]  nsim_dev_trap_report_work+0x4f4/0x1120
+[  600.340819][ T9046]  process_one_work+0xdc2/0x1820
+[  600.345795][ T9046]  worker_thread+0x10f1/0x2290
+[  600.350586][ T9046]  kthread+0x721/0x850
+[  600.354702][ T9046]  ret_from_fork+0x1f/0x30
+[  600.359146][ T9046] 
+[  600.361728][ T9046] Uninit was stored to memory at:
+[  600.366809][ T9046]  chacha_block_generic+0x87a/0xb20
+[  600.372220][ T9046]  _extract_crng+0x34d/0x4e0
+[  600.376833][ T9046]  crng_reseed+0x136/0xfb0
+[  600.381272][ T9046]  _extract_crng+0x1fc/0x4e0
+[  600.385881][ T9046]  _get_random_bytes+0x358/0x5b0
+[  600.391290][ T9046]  get_random_bytes+0x11e/0x300
+[  600.396174][ T9046]  nsim_dev_trap_report_work+0x4f4/0x1120
+[  600.401928][ T9046]  process_one_work+0xdc2/0x1820
+[  600.406903][ T9046]  worker_thread+0x10f1/0x2290
+[  600.411684][ T9046]  kthread+0x721/0x850
+[  600.415789][ T9046]  ret_from_fork+0x1f/0x30
+[  600.420231][ T9046] 
+[  600.422549][ T9046] Uninit was stored to memory at:
+[  600.427628][ T9046]  chacha_permute+0x12db/0x1400
+[  600.432511][ T9046]  chacha_block_generic+0xe7/0xb20
+[  600.437668][ T9046]  _extract_crng+0x34d/0x4e0
+[  600.442276][ T9046]  crng_reseed+0x136/0xfb0
+[  600.446815][ T9046]  _extract_crng+0x1fc/0x4e0
+[  600.451422][ T9046]  _get_random_bytes+0x358/0x5b0
+[  600.456397][ T9046]  get_random_bytes+0x11e/0x300
+[  600.461303][ T9046]  nsim_dev_trap_report_work+0x4f4/0x1120
+[  600.467150][ T9046]  process_one_work+0xdc2/0x1820
+[  600.472129][ T9046]  worker_thread+0x10f1/0x2290
+[  600.476923][ T9046]  kthread+0x721/0x850
+[  600.481016][ T9046]  ret_from_fork+0x1f/0x30
+[  600.485456][ T9046] 
+[  600.487775][ T9046] Uninit was stored to memory at:
+[  600.492878][ T9046]  chacha_block_generic+0xc3/0xb20
+[  600.498023][ T9046]  _extract_crng+0x34d/0x4e0
+[  600.502630][ T9046]  crng_reseed+0x136/0xfb0
+[  600.507062][ T9046]  _extract_crng+0x1fc/0x4e0
+[  600.511679][ T9046]  _get_random_bytes+0x358/0x5b0
+[  600.516659][ T9046]  get_random_bytes+0x11e/0x300
+[  600.521545][ T9046]  nsim_dev_trap_report_work+0x4f4/0x1120
+[  600.527308][ T9046]  process_one_work+0xdc2/0x1820
+[  600.532287][ T9046]  worker_thread+0x10f1/0x2290
+[  600.537073][ T9046]  kthread+0x721/0x850
+[  600.541172][ T9046]  ret_from_fork+0x1f/0x30
+[  600.545618][ T9046] 
+[  600.547939][ T9046] Uninit was stored to memory at:
+[  600.553004][ T9046]  crng_reseed+0x638/0xfb0
+[  600.557439][ T9046]  _extract_crng+0x1fc/0x4e0
+[  600.562047][ T9046]  crng_reseed+0x136/0xfb0
+[  600.566481][ T9046]  _extract_crng+0x1fc/0x4e0
+[  600.571091][ T9046]  _get_random_bytes+0x358/0x5b0
+[  600.576065][ T9046]  get_random_bytes+0x11e/0x300
+[  600.580950][ T9046]  nsim_dev_trap_report_work+0x4f4/0x1120
+[  600.586706][ T9046]  process_one_work+0xdc2/0x1820
+[  600.591682][ T9046]  worker_thread+0x10f1/0x2290
+[  600.596465][ T9046]  kthread+0x721/0x850
+[  600.600558][ T9046]  ret_from_fork+0x1f/0x30
+[  600.605006][ T9046] 
+[  600.607338][ T9046] Local variable buf created at:
+[  600.612357][ T9046]  crng_reseed+0x6c/0xfb0
+[  600.616702][ T9046]  _extract_crng+0x1fc/0x4e0
+[  600.621308][ T9046] 
+[  600.623631][ T9046] Bytes 0-15 of 16 are uninitialized
+[  600.628919][ T9046] Memory access of size 16 starts at ffff8881233afe10
+[  600.635681][ T9046] Data copied to user address 0000561367a3f9b0
+[  600.641831][ T9046] 
+[  600.644152][ T9046] CPU: 0 PID: 9046 Comm: systemd-udevd Not tainted 5.16.0-rc3-syzkaller #0
+[  600.652762][ T9046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  600.662842][ T9046] =====================================================
+
diff --git a/pkg/report/testdata/linux/report/635 b/pkg/report/testdata/linux/report/635
new file mode 100644
index 000000000..d97678487
--- /dev/null
+++ b/pkg/report/testdata/linux/report/635
@@ -0,0 +1,43 @@
+TITLE: KMSAN: uninit-value in sctp_epaddr_lookup_transport
+ALT: bad-access in sctp_epaddr_lookup_transport
+
+[  701.063465][    C1] =====================================================
+[  701.070594][    C1] BUG: KMSAN: uninit-value in sctp_epaddr_lookup_transport+0x9bc/0xd10
+[  701.078973][    C1]  sctp_epaddr_lookup_transport+0x9bc/0xd10
+[  701.084902][    C1]  sctp_endpoint_bh_rcv+0x4ca/0x1010
+[  701.090306][    C1]  sctp_inq_push+0x31c/0x440
+[  701.094919][    C1]  sctp_rcv+0x408d/0x4260
+[  701.099280][    C1]  sctp4_rcv+0x60/0x80
+[  701.103374][    C1]  ip_protocol_deliver_rcu+0x752/0x10a0
+[  701.108991][    C1]  ip_local_deliver+0x584/0x8c0
+[  701.113873][    C1]  ip_rcv+0x5a5/0x830
+[  701.117879][    C1]  __netif_receive_skb+0x1ec/0x630
+[  701.123065][    C1]  process_backlog+0x54b/0xc10
+[  701.127860][    C1]  __napi_poll+0x14c/0xc00
+[  701.132303][    C1]  net_rx_action+0x7e2/0x1820
+[  701.137009][    C1]  __do_softirq+0x1ee/0x7c5
+[  701.141545][    C1]  run_ksoftirqd+0x33/0x50
+[  701.146054][    C1]  smpboot_thread_fn+0x606/0xbd0
+[  701.151058][    C1]  kthread+0x721/0x850
+[  701.155151][    C1]  ret_from_fork+0x1f/0x30
+[  701.159603][    C1] 
+[  701.161925][    C1] Uninit was stored to memory at:
+[  701.167016][    C1]  sctp_init_addrs+0x90/0xf0
+[  701.171641][    C1]  sctp_rcv+0x38c5/0x4260
+[  701.175993][    C1]  sctp4_rcv+0x60/0x80
+[  701.180088][    C1]  ip_protocol_deliver_rcu+0x752/0x10a0
+[  701.185668][    C1]  ip_local_deliver+0x584/0x8c0
+[  701.190546][    C1]  ip_rcv+0x5a5/0x830
+[  701.194557][    C1]  __netif_receive_skb+0x1ec/0x630
+[  701.199705][    C1]  process_backlog+0x54b/0xc10
+[  701.204499][    C1]  __napi_poll+0x14c/0xc00
+[  701.208948][    C1]  net_rx_action+0x7e2/0x1820
+[  701.213654][    C1]  __do_softirq+0x1ee/0x7c5
+[  701.218187][    C1] 
+[  701.220510][    C1] Local variable src created at:
+[  701.225443][    C1]  sctp_rcv+0x55/0x4260
+[  701.229619][    C1]  sctp4_rcv+0x60/0x80
+[  701.233712][    C1] 
+[  701.236035][    C1] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 5.16.0-rc5-syzkaller #0
+[  701.244300][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  701.254363][    C1] =====================================================
diff --git a/pkg/report/testdata/linux/report/636 b/pkg/report/testdata/linux/report/636
new file mode 100644
index 000000000..7e9eef087
--- /dev/null
+++ b/pkg/report/testdata/linux/report/636
@@ -0,0 +1,28 @@
+TITLE: KMSAN: uninit-value in ppp_send_frame
+ALT: bad-access in ppp_send_frame
+
+[   87.733076][ T3479] =====================================================
+[   87.740069][ T3479] BUG: KMSAN: uninit-value in ppp_send_frame+0x28d/0x27c0
+[   87.747227][ T3479]  ppp_send_frame+0x28d/0x27c0
+[   87.752035][ T3479]  __ppp_xmit_process+0x23e/0x4b0
+[   87.757102][ T3479]  ppp_xmit_process+0x1fe/0x480
+[   87.761996][ T3479]  ppp_write+0x5cb/0x5e0
+[   87.766280][ T3479]  do_iter_write+0xb0c/0x1500
+[   87.770997][ T3479]  do_writev+0x645/0xe00
+[   87.775277][ T3479]  __x64_sys_writev+0xe5/0x120
+[   87.780077][ T3479]  do_syscall_64+0x54/0xd0
+[   87.784535][ T3479]  entry_SYSCALL_64_after_hwframe+0x44/0xae
+[   87.790467][ T3479] 
+[   87.792796][ T3479] Uninit was created at:
+[   87.797099][ T3479]  __kmalloc_node_track_caller+0xe0c/0x1510
+[   87.803048][ T3479]  __alloc_skb+0x545/0xf90
+[   87.807505][ T3479]  ppp_write+0x11d/0x5e0
+[   87.811787][ T3479]  do_iter_write+0xb0c/0x1500
+[   87.816501][ T3479]  do_writev+0x645/0xe00
+[   87.820785][ T3479]  __x64_sys_writev+0xe5/0x120
+[   87.825587][ T3479]  do_syscall_64+0x54/0xd0
+[   87.830048][ T3479]  entry_SYSCALL_64_after_hwframe+0x44/0xae
+[   87.835983][ T3479] 
+[   87.838311][ T3479] CPU: 1 PID: 3479 Comm: syz-executor849 Not tainted 5.16.0-rc5-syzkaller #0
+[   87.847105][ T3479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   87.857185][ T3479] =====================================================
diff --git a/pkg/report/testdata/linux/report/637 b/pkg/report/testdata/linux/report/637
new file mode 100644
index 000000000..262e822c8
--- /dev/null
+++ b/pkg/report/testdata/linux/report/637
@@ -0,0 +1,41 @@
+TITLE: KMSAN: kernel-usb-infoleak in corrupted
+CORRUPTED: Y
+
+[  180.463142][ T3569] =====================================================
+[  180.470227][ T3569] BUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x6c1/0x2aa0
+[  180.478010][ T3569]  usb_submit_urb+0x6c1/0x2aa0
+[  180.482855][ T3569]  hif_usb_send+0x5f0/0x16f0
+[  180.487492][ T3569]  htc_connect_service+0x143e/0x1960
+[  180.492828][ T3569]  ath9k_wmi_connect+0x177/0x2c0
+[  180.497805][ T3569]  ath9k_init_htc_services+0xf6/0xee0
+[  180.503229][ T3569]  ath9k_htc_probe_device+0x4f5/0x3db0
+[  180.508740][ T3569]  ath9k_htc_hw_init+0xdd/0x190
+[  180.513642][ T3569]  ath9k_hif_usb_firmware_cb+0x42e/0xaa0
+[  180.519330][ T3569]  request_firmware_work_func+0x1b9/0x2e0
+[  180.525110][ T3569]  process_one_work+0xdb9/0x1820
+[  180.530108][ T3569]  worker_thread+0x10bc/0x21f0
+[  180.534934][ T3569]  kthread+0x721/0x850
+[  180.539061][ T3569]  ret_from_fork+0x1f/0x30
+[  180.543529][ T3569] 
+[  180.545869][ T3569] Uninit was created at:
+[  180.550185][ T3569]  __kmalloc_node_track_caller+0xe0c/0x1510
+[  180.556141][ T3569]  __alloc_skb+0x545/0xf90
+[  180.560605][ T3569]  htc_connect_service+0x1029/0x1960
+[  180.565936][ T3569]  ath9k_wmi_connect+0x177/0x2c0
+[  180.570930][ T3569]  ath9k_init_htc_services+0xf6/0xee0
+[  180.576373][ T3569]  ath9k_htc_probe_device+0x4f5/0x3db0
+[  180.581891][ T3569]  ath9k_htc_hw_init+0xdd/0x190
+[  180.586804][ T3569]  ath9k_hif_usb_firmware_cb+0x42e/0xaa0
+[  180.592676][ T3569]  request_firmware_work_func+0x1b9/0x2e0
+[  180.598459][ T3569]  process_one_work+0xdb9/0x1820
+[  180.603545][ T3569]  worker_thread+0x10bc/0x21f0
+[  180.608456][ T3569]  kthread+0x721/0x850
+[  180.612571][ T3569]  ret_from_fork+0x1f/0x30
+[  180.617036][ T3569] 
+[  180.619371][ T3569] Bytes 4-7 of 18 are uninitialized
+[  180.624584][ T3569] Memory access of size 18 starts at ffff888090c4fe00
+[  180.631364][ T3569] 
+[  180.633704][ T3569] CPU: 1 PID: 3569 Comm: kworker/1:7 Not tainted 5.16.0-rc5-syzkaller #0
+[  180.642161][ T3569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  180.652338][ T3569] Workqueue: events request_firmware_work_func
+[  180.658559][ T3569] =====================================================