pkg/report: ignore more str* functions

4 files changed, 557 insertions, 0 deletions

diff --git a/pkg/report/linux.go b/pkg/report/linux.go
index cbd4d18df..e23f7e32c 100644
--- a/pkg/report/linux.go
+++ b/pkg/report/linux.go
@@ -671,6 +671,8 @@ var linuxStackParams = &stackParams{
 		"strcpy",
 		"strlcpy",
 		"strlen",
+		"strnstr",
+		"strnlen",
 		"copy_to_user",
 		"copy_from_user",
 		"put_user",
diff --git a/pkg/report/testdata/linux/report/306 b/pkg/report/testdata/linux/report/306
new file mode 100644
index 000000000..37a0ccde9
--- /dev/null
+++ b/pkg/report/testdata/linux/report/306
@@ -0,0 +1,343 @@
+TITLE: KASAN: global-out-of-bounds Read in __aa_lookupn_ns
+
+[  218.522865] ==================================================================
+[  218.530431] BUG: KASAN: global-out-of-bounds in memcmp+0xe3/0x160
+[  218.536676] Read of size 1 at addr ffffffff88000008 by task syz-executor3/8786
+[  218.536684] 
+[  218.536703] CPU: 0 PID: 8786 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #251
+[  218.536716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  218.536726] Call Trace:
+[  218.552992]  dump_stack+0x1c4/0x2b4
+22:45:44 executing program 5:
+openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0)
+mbind(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, &(0x7f0000000000), 0x45, 0x2)
+
+[  218.553024]  ? dump_stack_print_info.cold.2+0x52/0x52
+[  218.553042]  ? printk+0xa7/0xcf
+[  218.553060]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
+[  218.553085]  print_address_description.cold.8+0x58/0x1ff
+[  218.587295]  kasan_report.cold.9+0x242/0x309
+[  218.591735]  ? memcmp+0xe3/0x160
+[  218.595130]  __asan_report_load1_noabort+0x14/0x20
+[  218.595147]  memcmp+0xe3/0x160
+[  218.595165]  strnstr+0x4b/0x70
+[  218.595182]  ? __switch_to_asm+0x34/0x70
+[  218.595201]  ? __switch_to_asm+0x34/0x70
+[  218.610567]  __aa_lookupn_ns+0xc1/0x570
+[  218.610592]  ? aa_find_ns+0x30/0x30
+22:45:44 executing program 5:
+openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0)
+mbind(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, &(0x7f0000000000), 0x45, 0x2)
+
+[  218.610610]  ? lock_acquire+0x1ed/0x520
+[  218.610630]  ? __aa_lookupn_ns+0x570/0x570
+[  218.630476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  218.636035]  ? check_preemption_disabled+0x48/0x200
+[  218.641066]  ? kasan_check_read+0x11/0x20
+[  218.645234]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
+[  218.650531]  ? rcu_bh_qs+0xc0/0xc0
+[  218.654089]  ? print_usage_bug+0xc0/0xc0
+[  218.658159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  218.658193]  ? __switch_to_asm+0x34/0x70
+[  218.658223]  aa_lookupn_ns+0x88/0x1e0
+22:45:44 executing program 5:
+ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
+mbind(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, &(0x7f0000000000), 0x45, 0x2)
+
+[  218.658255]  aa_fqlookupn_profile+0x1b9/0x1010
+[  218.671655]  ? preempt_notifier_register+0x200/0x200
+[  218.671671]  ? __switch_to_asm+0x34/0x70
+[  218.671704]  ? __switch_to_asm+0x34/0x70
+[  218.671734]  ? aa_lookup_profile+0x30/0x30
+[  218.671748]  ? __lock_acquire+0x7ec/0x4ec0
+[  218.671762]  ? __switch_to_asm+0x34/0x70
+[  218.671801]  ? __switch_to_asm+0x40/0x70
+[  218.706168]  ? __switch_to_asm+0x34/0x70
+[  218.710239]  ? __switch_to_asm+0x40/0x70
+[  218.714335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  218.719883]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
+[  218.725354]  ? refcount_add_not_zero_checked+0x330/0x330
+[  218.725390]  ? mark_held_locks+0x130/0x130
+[  218.725408]  ? __sched_text_start+0x8/0x8
+[  218.725422]  ? check_preemption_disabled+0x48/0x200
+[  218.725439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  218.725456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
+[  218.725477]  fqlookupn_profile+0x80/0xc0
+[  218.739295]  aa_label_strn_parse+0xa3a/0x1230
+[  218.739322]  ? aa_label_printk+0x850/0x850
+[  218.739339]  ? __lock_acquire+0x7ec/0x4ec0
+[  218.739359]  ? lockdep_hardirqs_on+0x421/0x5c0
+[  218.776994]  ? preempt_schedule+0x4d/0x60
+[  218.777050]  ? preempt_schedule_common+0x1f/0xd0
+[  218.777071]  ? graph_lock+0x170/0x170
+[  218.777103]  ? __lock_acquire+0x7ec/0x4ec0
+[  218.786013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  218.786033]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
+[  218.786053]  ? refcount_add_not_zero_checked+0x330/0x330
+[  218.786072]  ? graph_lock+0x170/0x170
+[  218.799212] FAULT_INJECTION: forcing a failure.
+[  218.799212] name failslab, interval 1, probability 0, space 0, times 0
+[  218.799627]  ? find_held_lock+0x36/0x1c0
+[  218.829537]  aa_label_parse+0x42/0x50
+[  218.833352]  aa_change_profile+0x513/0x3510
+[  218.837694]  ? lock_acquire+0x1ed/0x520
+[  218.841685]  ? aa_change_hat+0x1a20/0x1a20
+[  218.845940]  ? is_bpf_text_address+0xd3/0x170
+[  218.850456]  ? __mutex_lock+0x85e/0x1700
+[  218.854533]  ? proc_pid_attr_write+0x28a/0x540
+[  218.859134]  ? mutex_trylock+0x2b0/0x2b0
+[  218.863206]  ? save_stack+0xa9/0xd0
+[  218.866841]  ? save_stack+0x43/0xd0
+[  218.870482]  ? kasan_kmalloc+0xc7/0xe0
+[  218.874380]  ? __kmalloc_track_caller+0x14a/0x750
+[  218.879230]  ? memdup_user+0x2c/0xa0
+[  218.882950]  ? proc_pid_attr_write+0x198/0x540
+[  218.887539]  ? graph_lock+0x170/0x170
+[  218.891376]  ? __x64_sys_write+0x73/0xb0
+[  218.895465]  ? graph_lock+0x170/0x170
+[  218.899282]  ? mark_held_locks+0x130/0x130
+[  218.903549]  apparmor_setprocattr+0xaa4/0x1150
+[  218.908149]  ? apparmor_task_kill+0xcb0/0xcb0
+[  218.912662]  ? lock_downgrade+0x900/0x900
+[  218.916831]  ? arch_local_save_flags+0x40/0x40
+[  218.921456]  security_setprocattr+0x66/0xc0
+[  218.925796]  proc_pid_attr_write+0x301/0x540
+[  218.930222]  __vfs_write+0x119/0x9f0
+[  218.933947]  ? check_preemption_disabled+0x48/0x200
+[  218.938968]  ? proc_loginuid_write+0x4f0/0x4f0
+[  218.943572]  ? kernel_read+0x120/0x120
+[  218.947478]  ? __lock_is_held+0xb5/0x140
+[  218.951563]  ? rcu_read_lock_sched_held+0x108/0x120
+[  218.956615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  218.962159]  ? __sb_start_write+0x1b2/0x370
+[  218.966513]  vfs_write+0x1fc/0x560
+[  218.970071]  ksys_write+0x101/0x260
+[  218.973729]  ? __ia32_sys_read+0xb0/0xb0
+[  218.977806]  ? __bpf_trace_preemptirq_template+0x30/0x30
+[  218.983307]  __x64_sys_write+0x73/0xb0
+[  218.987730]  do_syscall_64+0x1b9/0x820
+[  218.991645]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
+[  218.997046]  ? syscall_return_slowpath+0x5e0/0x5e0
+[  219.002018]  ? trace_hardirqs_on_caller+0x310/0x310
+[  219.007048]  ? prepare_exit_to_usermode+0x3b0/0x3b0
+[  219.012082]  ? recalc_sigpending_tsk+0x180/0x180
+[  219.016840]  ? kasan_check_write+0x14/0x20
+[  219.021093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
+[  219.025952]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  219.031145] RIP: 0033:0x457679
+[  219.034344] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[  219.053245] RSP: 002b:00007f6077a06c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
+[  219.060958] RAX: ffffffffffffffda RBX: 00007f6077a076d4 RCX: 0000000000457679
+[  219.068221] RDX: 0000000000000009 RSI: 0000000020000040 RDI: 0000000000000005
+[  219.075488] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
+[  219.082756] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
+[  219.090027] R13: 00000000004d8f38 R14: 00000000004c55ed R15: 0000000000000000
+[  219.097520] 
+[  219.099172] The buggy address belongs to the variable:
+[  219.104456]  __start_rodata+0x8/0x1000
+[  219.108332] 
+[  219.109956] Memory state around the buggy address:
+[  219.114905]  ffffffff87ffff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+[  219.122295]  ffffffff87ffff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+[  219.129655] >ffffffff88000000: 00 fa fa fa fa fa fa fa 00 01 fa fa fa fa fa fa
+[  219.137014]                       ^
+[  219.140638]  ffffffff88000080: 00 00 00 07 fa fa fa fa 00 04 fa fa fa fa fa fa
+[  219.148006]  ffffffff88000100: 05 fa fa fa fa fa fa fa 00 00 00 00 05 fa fa fa
+[  219.155361] ==================================================================
+[  219.162715] Disabling lock debugging due to kernel taint
+[  219.182288] CPU: 1 PID: 8817 Comm: syz-executor4 Tainted: G    B             4.19.0-rc5+ #251
+[  219.190974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  219.200339] Call Trace:
+[  219.202937]  dump_stack+0x1c4/0x2b4
+[  219.206575]  ? dump_stack_print_info.cold.2+0x52/0x52
+[  219.211804]  ? kernel_text_address+0x79/0xf0
+[  219.216225]  should_fail.cold.4+0xa/0x17
+[  219.220296]  ? fault_create_debugfs_attr+0x1f0/0x1f0
+[  219.225410]  ? graph_lock+0x170/0x170
+[  219.229220]  ? graph_lock+0x170/0x170
+[  219.230918] Kernel panic - not syncing: panic_on_warn set ...
+[  219.230918] 
+[  219.233040]  ? lock_acquire+0x1ed/0x520
+[  219.244359]  ? find_held_lock+0x36/0x1c0
+[  219.248423]  ? __lock_is_held+0xb5/0x140
+[  219.252496]  ? ___might_sleep+0x1ed/0x300
+[  219.256651]  ? arch_local_save_flags+0x40/0x40
+[  219.261238]  ? do_raw_spin_unlock+0xa7/0x2f0
+[  219.265663]  __should_failslab+0x124/0x180
+[  219.269960]  should_failslab+0x9/0x14
+[  219.273765]  kmem_cache_alloc+0x2be/0x730
+[  219.277921]  ? __vma_adjust+0x1810/0x1810
+[  219.282072]  vm_area_alloc+0x7a/0x1d0
+[  219.285889]  ? arch_release_thread_stack+0x10/0x10
+[  219.290838]  mmap_region+0x9d4/0x1cd0
+[  219.294641]  ? mpx_unmapped_area_check+0xd8/0x108
+[  219.299490]  ? __x64_sys_brk+0x7d0/0x7d0
+[  219.303552]  ? arch_get_unmapped_area+0x750/0x750
+[  219.308394]  ? graph_lock+0x170/0x170
+[  219.312195]  ? graph_lock+0x170/0x170
+[  219.316012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.321568]  ? unuse_pde+0x40/0x80
+[  219.325111]  ? proc_reg_get_unmapped_area+0x308/0x450
+[  219.330307]  ? proc_reg_poll+0x3a0/0x3a0
+[  219.334372]  ? lock_acquire+0x1ed/0x520
+[  219.338369]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
+[  219.343403]  ? cap_mmap_addr+0x52/0x130
+[  219.347392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.352930]  ? security_mmap_addr+0x80/0xa0
+[  219.357251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
+[  219.362792]  ? get_unmapped_area+0x292/0x3b0
+[  219.367198]  do_mmap+0xa10/0x1220
+[  219.370655]  ? mmap_region+0x1cd0/0x1cd0
+[  219.374711]  ? vm_mmap_pgoff+0x1b5/0x2c0
+[  219.378768]  ? down_read_killable+0x1f0/0x1f0
+[  219.383286]  ? security_mmap_file+0x174/0x1b0
+[  219.387794]  vm_mmap_pgoff+0x213/0x2c0
+[  219.391689]  ? vma_is_stack_for_current+0xd0/0xd0
+[  219.396534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.402071]  ? check_preemption_disabled+0x48/0x200
+[  219.407121]  ksys_mmap_pgoff+0x4da/0x660
+[  219.411185]  ? do_syscall_64+0x9a/0x820
+[  219.415175]  ? find_mergeable_anon_vma+0xd0/0xd0
+[  219.419934]  ? trace_hardirqs_on+0xbd/0x310
+[  219.424259]  ? __ia32_sys_read+0xb0/0xb0
+[  219.428348]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
+[  219.433886]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  219.439255]  ? __bpf_trace_preemptirq_template+0x30/0x30
+[  219.444709]  __x64_sys_mmap+0xe9/0x1b0
+[  219.448601]  do_syscall_64+0x1b9/0x820
+[  219.452493]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
+[  219.457864]  ? syscall_return_slowpath+0x5e0/0x5e0
+[  219.462810]  ? trace_hardirqs_on_caller+0x310/0x310
+[  219.467829]  ? prepare_exit_to_usermode+0x3b0/0x3b0
+[  219.472861]  ? recalc_sigpending_tsk+0x180/0x180
+[  219.477614]  ? kasan_check_write+0x14/0x20
+[  219.481855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
+[  219.486706]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  219.491890] RIP: 0033:0x457679
+[  219.495086] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[  219.513987] RSP: 002b:00007f530204ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
+[  219.521709] RAX: ffffffffffffffda RBX: 00007f530204f6d4 RCX: 0000000000457679
+[  219.528972] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020000000
+[  219.536245] RBP: 000000000072bf00 R08: 0000000000000003 R09: 0000000000000000
+[  219.543511] R10: 0000000000010012 R11: 0000000000000246 R12: 0000000000000006
+[  219.550780] R13: 00000000004d3d60 R14: 00000000004c294b R15: 0000000000000002
+[  219.558066] CPU: 0 PID: 8786 Comm: syz-executor3 Tainted: G    B             4.19.0-rc5+ #251
+[  219.566735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[  219.576090] Call Trace:
+[  219.578678]  dump_stack+0x1c4/0x2b4
+[  219.582317]  ? dump_stack_print_info.cold.2+0x52/0x52
+[  219.587519]  ? trace_hardirqs_on_thunk+0x1a/0x1c
+[  219.592304]  panic+0x238/0x4e7
+[  219.595502]  ? add_taint.cold.5+0x16/0x16
+[  219.599659]  ? preempt_schedule+0x4d/0x60
+[  219.603817]  ? ___preempt_schedule+0x16/0x18
+[  219.608249]  ? trace_hardirqs_on+0xb4/0x310
+[  219.612589]  kasan_end_report+0x47/0x4f
+[  219.616565]  kasan_report.cold.9+0x76/0x309
+[  219.620891]  ? memcmp+0xe3/0x160
+[  219.624265]  __asan_report_load1_noabort+0x14/0x20
+[  219.629205]  memcmp+0xe3/0x160
+[  219.632416]  strnstr+0x4b/0x70
+[  219.635611]  ? __switch_to_asm+0x34/0x70
+[  219.639672]  ? __switch_to_asm+0x34/0x70
+[  219.643751]  __aa_lookupn_ns+0xc1/0x570
+[  219.647736]  ? aa_find_ns+0x30/0x30
+[  219.651366]  ? lock_acquire+0x1ed/0x520
+[  219.655343]  ? __aa_lookupn_ns+0x570/0x570
+[  219.659578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.665113]  ? check_preemption_disabled+0x48/0x200
+[  219.670144]  ? kasan_check_read+0x11/0x20
+[  219.674303]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
+[  219.679579]  ? rcu_bh_qs+0xc0/0xc0
+[  219.683133]  ? print_usage_bug+0xc0/0xc0
+[  219.687193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.692740]  ? __switch_to_asm+0x34/0x70
+[  219.696816]  aa_lookupn_ns+0x88/0x1e0
+[  219.700623]  aa_fqlookupn_profile+0x1b9/0x1010
+[  219.705212]  ? preempt_notifier_register+0x200/0x200
+[  219.710311]  ? __switch_to_asm+0x34/0x70
+[  219.714376]  ? __switch_to_asm+0x34/0x70
+[  219.718454]  ? aa_lookup_profile+0x30/0x30
+[  219.722698]  ? __lock_acquire+0x7ec/0x4ec0
+[  219.726934]  ? __switch_to_asm+0x34/0x70
+[  219.730994]  ? __switch_to_asm+0x40/0x70
+[  219.735072]  ? __switch_to_asm+0x34/0x70
+[  219.739133]  ? __switch_to_asm+0x40/0x70
+[  219.743197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.748736]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
+[  219.754193]  ? refcount_add_not_zero_checked+0x330/0x330
+[  219.759647]  ? mark_held_locks+0x130/0x130
+[  219.763894]  ? __sched_text_start+0x8/0x8
+[  219.768040]  ? check_preemption_disabled+0x48/0x200
+[  219.773058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.778622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
+[  219.784169]  fqlookupn_profile+0x80/0xc0
+[  219.788238]  aa_label_strn_parse+0xa3a/0x1230
+[  219.792738]  ? aa_label_printk+0x850/0x850
+[  219.796976]  ? __lock_acquire+0x7ec/0x4ec0
+[  219.801230]  ? lockdep_hardirqs_on+0x421/0x5c0
+[  219.805830]  ? preempt_schedule+0x4d/0x60
+[  219.809989]  ? preempt_schedule_common+0x1f/0xd0
+[  219.814762]  ? graph_lock+0x170/0x170
+[  219.818584]  ? __lock_acquire+0x7ec/0x4ec0
+[  219.822815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.828354]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
+[  219.833861]  ? refcount_add_not_zero_checked+0x330/0x330
+[  219.839336]  ? graph_lock+0x170/0x170
+[  219.843144]  ? find_held_lock+0x36/0x1c0
+[  219.847214]  aa_label_parse+0x42/0x50
+[  219.851029]  aa_change_profile+0x513/0x3510
+[  219.855358]  ? lock_acquire+0x1ed/0x520
+[  219.859344]  ? aa_change_hat+0x1a20/0x1a20
+[  219.863656]  ? is_bpf_text_address+0xd3/0x170
+[  219.868175]  ? __mutex_lock+0x85e/0x1700
+[  219.872234]  ? proc_pid_attr_write+0x28a/0x540
+[  219.876799]  ? mutex_trylock+0x2b0/0x2b0
+[  219.880847]  ? save_stack+0xa9/0xd0
+[  219.884456]  ? save_stack+0x43/0xd0
+[  219.888058]  ? kasan_kmalloc+0xc7/0xe0
+[  219.891924]  ? __kmalloc_track_caller+0x14a/0x750
+[  219.896745]  ? memdup_user+0x2c/0xa0
+[  219.900438]  ? proc_pid_attr_write+0x198/0x540
+[  219.905008]  ? graph_lock+0x170/0x170
+[  219.908792]  ? __x64_sys_write+0x73/0xb0
+[  219.912837]  ? graph_lock+0x170/0x170
+[  219.916623]  ? mark_held_locks+0x130/0x130
+[  219.920856]  apparmor_setprocattr+0xaa4/0x1150
+[  219.925425]  ? apparmor_task_kill+0xcb0/0xcb0
+[  219.929901]  ? lock_downgrade+0x900/0x900
+[  219.934034]  ? arch_local_save_flags+0x40/0x40
+[  219.938630]  security_setprocattr+0x66/0xc0
+[  219.942933]  proc_pid_attr_write+0x301/0x540
+[  219.947325]  __vfs_write+0x119/0x9f0
+[  219.951037]  ? check_preemption_disabled+0x48/0x200
+[  219.956043]  ? proc_loginuid_write+0x4f0/0x4f0
+[  219.960606]  ? kernel_read+0x120/0x120
+[  219.964478]  ? __lock_is_held+0xb5/0x140
+[  219.968541]  ? rcu_read_lock_sched_held+0x108/0x120
+[  219.973542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  219.979061]  ? __sb_start_write+0x1b2/0x370
+[  219.983397]  vfs_write+0x1fc/0x560
+[  219.986946]  ksys_write+0x101/0x260
+[  219.990582]  ? __ia32_sys_read+0xb0/0xb0
+[  219.994627]  ? __bpf_trace_preemptirq_template+0x30/0x30
+[  220.000068]  __x64_sys_write+0x73/0xb0
+[  220.003942]  do_syscall_64+0x1b9/0x820
+[  220.007816]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
+[  220.013191]  ? syscall_return_slowpath+0x5e0/0x5e0
+[  220.018138]  ? trace_hardirqs_on_caller+0x310/0x310
+[  220.023136]  ? prepare_exit_to_usermode+0x3b0/0x3b0
+[  220.028137]  ? recalc_sigpending_tsk+0x180/0x180
+[  220.032873]  ? kasan_check_write+0x14/0x20
+[  220.037116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
+[  220.041946]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  220.047116] RIP: 0033:0x457679
+[  220.050294] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[  220.069178] RSP: 002b:00007f6077a06c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
+[  220.076867] RAX: ffffffffffffffda RBX: 00007f6077a076d4 RCX: 0000000000457679
+[  220.084117] RDX: 0000000000000009 RSI: 0000000020000040 RDI: 0000000000000005
+[  220.091370] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
+[  220.098623] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
+[  220.105875] R13: 00000000004d8f38 R14: 00000000004c55ed R15: 0000000000000000
+[  220.114010] Kernel Offset: disabled
+[  220.117635] Rebooting in 86400 seconds..
diff --git a/pkg/report/testdata/linux/report/307 b/pkg/report/testdata/linux/report/307
new file mode 100644
index 000000000..f683a94b7
--- /dev/null
+++ b/pkg/report/testdata/linux/report/307
@@ -0,0 +1,62 @@
+TITLE: KASAN: stack-out-of-bounds Read in string
+
+[   29.725847] ==================================================================
+[   29.733228] BUG: KASAN: stack-out-of-bounds in strnlen+0xc1/0xd0
+[   29.739348] Read of size 1 at addr ffff8801d0877d04 by task syzkaller968690/3469
+[   29.746852] 
+[   29.748450] CPU: 0 PID: 3469 Comm: syzkaller968690 Not tainted 4.4.107-g610c835 #12
+[   29.756215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+[   29.765533]  0000000000000000 32c3afb9a0a8afa3 ffff8801d0877758 ffffffff81d0457d
+[   29.773491]  ffffea0007421dc0 ffff8801d0877d04 0000000000000000 ffff8801d0877d04
+[   29.781439]  ffffffff856b29c0 ffff8801d0877790 ffffffff814fbb23 ffff8801d0877d04
+[   29.789383] Call Trace:
+[   29.791936]  [<ffffffff81d0457d>] dump_stack+0xc1/0x124
+[   29.797264]  [<ffffffff814fbb23>] print_address_description+0x73/0x260
+[   29.803894]  [<ffffffff814fc035>] kasan_report+0x285/0x370
+[   29.809501]  [<ffffffff81d1ff51>] ? strnlen+0xc1/0xd0
+[   29.814660]  [<ffffffff814fc134>] __asan_report_load1_noabort+0x14/0x20
+[   29.821378]  [<ffffffff81d1ff51>] strnlen+0xc1/0xd0
+[   29.826357]  [<ffffffff81d27bdc>] string.isra.4+0x4c/0x240
+[   29.831946]  [<ffffffff81d232c8>] ? format_decode+0x118/0xa50
+[   29.837796]  [<ffffffff81d2d086>] vsnprintf+0x766/0x15f0
+[   29.843211]  [<ffffffff81d2c920>] ? pointer.isra.22+0xa00/0xa00
+[   29.849234]  [<ffffffff81d2df3d>] vscnprintf+0x2d/0x60
+[   29.854483]  [<ffffffff81266f8b>] vprintk_emit+0xdb/0x850
+[   29.859985]  [<ffffffff8123364f>] ? mark_held_locks+0xaf/0x100
+[   29.865919]  [<ffffffff81267728>] vprintk+0x28/0x30
+[   29.870900]  [<ffffffff8126774d>] vprintk_default+0x1d/0x30
+[   29.876574]  [<ffffffff8141839d>] printk+0xb7/0xe2
+[   29.881471]  [<ffffffff814182e6>] ? pm_qos_get_value.part.4+0xb/0xb
+[   29.887842]  [<ffffffff8376a7e0>] ? __ww_mutex_lock+0x14f0/0x14f0
+[   29.894042]  [<ffffffff830982e7>] do_ip_vs_set_ctl+0x9b7/0xba0
+[   29.899979]  [<ffffffff83097930>] ? ip_vs_genl_set_cmd+0x9a0/0x9a0
+[   29.906261]  [<ffffffff8122cf91>] ? __lock_is_held+0xa1/0xf0
+[   29.912026]  [<ffffffff8123364f>] ? mark_held_locks+0xaf/0x100
+[   29.917969]  [<ffffffff8376adb4>] ? mutex_lock_nested+0x5d4/0x850
+[   29.924167]  [<ffffffff81233a2b>] ? trace_hardirqs_on_caller+0x38b/0x590
+[   29.930981]  [<ffffffff8376e359>] ? mutex_unlock+0x9/0x10
+[   29.936498]  [<ffffffff82f97007>] ? nf_sockopt_find.constprop.0+0x1a7/0x220
+[   29.943560]  [<ffffffff82f971a7>] nf_setsockopt+0x67/0xc0
+[   29.949061]  [<ffffffff830fe561>] ip_setsockopt+0xa1/0xb0
+[   29.954565]  [<ffffffff831a4395>] udp_setsockopt+0x45/0x80
+[   29.960164]  [<ffffffff82df2b55>] sock_common_setsockopt+0x95/0xd0
+[   29.966447]  [<ffffffff82defc20>] SyS_setsockopt+0x160/0x250
+[   29.972213]  [<ffffffff8148979e>] ? vmacache_update+0xfe/0x130
+[   29.978148]  [<ffffffff82defac0>] ? SyS_recv+0x40/0x40
+[   29.983401]  [<ffffffff83774884>] ? retint_user+0x18/0x20
+[   29.988906]  [<ffffffff81003017>] ? trace_hardirqs_on_thunk+0x17/0x19
+[   29.995456]  [<ffffffff83773d36>] entry_SYSCALL_64_fastpath+0x16/0x76
+[   30.002009] 
+[   30.003601] The buggy address belongs to the page:
+[   30.008501] page:ffffea0007421dc0 count:0 mapcount:0 mapping:          (null) index:0x0
+[   30.016606] flags: 0x8000000000000000()
+[   30.020657] page dumped because: kasan: bad access detected
+[   30.026328] 
+[   30.027920] Memory state around the buggy address:
+[   30.032815]  ffff8801d0877c00: 00 00 00 00 00 04 f2 f2 f2 f2 f2 f2 00 00 00 00
+[   30.040141]  ffff8801d0877c80: 00 00 00 00 f2 f2 f2 f2 00 00 00 00 00 00 00 00
+[   30.047473] >ffff8801d0877d00: 04 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 00
+[   30.054794]                    ^
+[   30.058125]  ffff8801d0877d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+[   30.065461]  ffff8801d0877e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+[   30.072794] ==================================================================
diff --git a/pkg/report/testdata/linux/report/308 b/pkg/report/testdata/linux/report/308
new file mode 100644
index 000000000..3086d5aae
--- /dev/null
+++ b/pkg/report/testdata/linux/report/308
@@ -0,0 +1,150 @@
+TITLE: general protection fault in __aa_lookupn_ns
+
+[  234.220213] kasan: GPF could be caused by NULL-ptr deref or user memory access
+[  234.245620] general protection fault: 0000 [#1] PREEMPT SMP KASAN
+[  234.251890] CPU: 0 PID: 10175 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #251
+[  234.259274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
+22:45:50 executing program 5:
+clone(0x2102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f00000000c0), 0xffffffffffffffff)
+r0 = getpid()
+sched_setscheduler(r0, 0x5, &(0x7f0000000200))
+futex(&(0x7f00000001c0)=0x100000000000000, 0xc, 0x0, &(0x7f0000000040), &(0x7f0000004000), 0x0)
+ioctl$TIOCLINUX3(0xffffffffffffffff, 0x541c, &(0x7f0000000100))
+ioctl$UI_BEGIN_FF_ERASE(0xffffffffffffffff, 0xc00c55ca, &(0x7f0000000080))
+ioctl$UI_END_FF_ERASE(0xffffffffffffffff, 0x400c55cb, &(0x7f0000000300)={0x0, 0x1})
+
+[  234.268662] RIP: 0010:memcmp+0x28/0x160
+[  234.272658] Code: 00 00 48 85 d2 0f 84 0a 01 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 f9 48 89 e5 48 c1 e9 03 41 54 53 48 89 fb 48 83 ec 18 <0f> b6 04 01 48 89 f9 83 e1 07 38 c8 7f 08 84 c0 0f 85 98 00 00 00
+[  234.291571] RSP: 0018:ffff88019a51ef98 EFLAGS: 00010292
+[  234.296960] RAX: dffffc0000000000 RBX: 1ffff100334a3e4f RCX: 03fffe20066947c9
+[  234.302554] kobject: 'loop5' (00000000d5f15f89): kobject_uevent_env
+[  234.304236] RDX: 0000000000000002 RSI: ffffffff883f7980 RDI: 1ffff100334a3e4f
+[  234.304247] RBP: ffff88019a51efc0 R08: ffff8801b9432640 R09: ffffed003b5a4732
+[  234.304256] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000002
+[  234.304267] R13: ffffffff883f7980 R14: 1fff7901cd9c319f R15: dffffc0000000000
+[  234.304284] FS:  00007f3dde3f8700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
+[  234.310800] kobject: 'loop5' (00000000d5f15f89): fill_kobj_path: path = '/devices/virtual/block/loop5'
+[  234.317944] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  234.317955] CR2: 0000000000413720 CR3: 00000001bcd8e000 CR4: 00000000001406f0
+22:45:50 executing program 3:
+r0 = socket$inet(0x2, 0x4000000000000001, 0x0)
+socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000280)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
+clone(0x2102001ffc, 0x0, 0xfffffffffffffffe, &(0x7f0000000100), 0xffffffffffffffff)
+ioctl$BLKSECTGET(r1, 0x1267, &(0x7f0000000000))
+sched_setscheduler(0x0, 0x5, &(0x7f0000000200))
+getsockopt$ARPT_SO_GET_ENTRIES(r0, 0x0, 0x61, &(0x7f0000000180)={'filter\x00', 0x4, "39fe0cf1"}, &(0x7f00000000c0)=0x28)
+
+[  234.317967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  234.317977] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  234.317982] Call Trace:
+[  234.318005]  ? _raw_spin_unlock_irq+0x27/0x80
+[  234.318022]  strnstr+0x4b/0x70
+[  234.382961] kobject: 'loop3' (00000000a906aecd): kobject_uevent_env
+[  234.385162]  __aa_lookupn_ns+0xc1/0x570
+[  234.385197]  ? compat_start_thread+0x80/0x80
+[  234.387895] kobject: 'loop3' (00000000a906aecd): fill_kobj_path: path = '/devices/virtual/block/loop3'
+[  234.392265]  ? aa_find_ns+0x30/0x30
+[  234.392323]  ? lock_acquire+0x1ed/0x520
+[  234.392343]  ? __aa_lookupn_ns+0x570/0x570
+[  234.412577] kobject: 'loop4' (00000000324e1a6e): kobject_uevent_env
+[  234.419700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  234.419716]  ? check_preemption_disabled+0x48/0x200
+[  234.419734]  ? kasan_check_read+0x11/0x20
+[  234.419757]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
+[  234.438733] kobject: 'loop4' (00000000324e1a6e): fill_kobj_path: path = '/devices/virtual/block/loop4'
+[  234.443494]  ? __switch_to_asm+0x34/0x70
+[  234.443512]  ? rcu_bh_qs+0xc0/0xc0
+[  234.443534]  ? print_usage_bug+0xc0/0xc0
+[  234.479004]  ? __switch_to_asm+0x34/0x70
+[  234.483070]  ? __switch_to_asm+0x40/0x70
+[  234.487144]  aa_lookupn_ns+0x88/0x1e0
+[  234.490954]  aa_fqlookupn_profile+0x1b9/0x1010
+[  234.495549]  ? aa_lookup_profile+0x30/0x30
+[  234.499275] kobject: 'loop5' (00000000d5f15f89): kobject_uevent_env
+[  234.499836]  ? __lock_acquire+0x7ec/0x4ec0
+[  234.499861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  234.499883]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
+[  234.508993] kobject: 'loop5' (00000000d5f15f89): fill_kobj_path: path = '/devices/virtual/block/loop5'
+[  234.510517]  ? refcount_add_not_zero_checked+0x330/0x330
+[  234.510534]  ? mark_held_locks+0x130/0x130
+[  234.510575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  234.546123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
+[  234.551653]  fqlookupn_profile+0x80/0xc0
+[  234.555728]  aa_label_strn_parse+0xa3a/0x1230
+[  234.560226]  ? aa_label_printk+0x850/0x850
+[  234.564447]  ? zap_class+0x640/0x640
+[  234.568165]  ? __might_sleep+0x95/0x190
+[  234.572125]  ? graph_lock+0x170/0x170
+[  234.575923]  ? __lock_acquire+0x7ec/0x4ec0
+[  234.580153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  234.585691]  ? refcount_inc_not_zero_checked+0x1e5/0x2f0
+[  234.591127]  ? refcount_add_not_zero_checked+0x330/0x330
+[  234.596565]  ? graph_lock+0x170/0x170
+[  234.600358]  ? find_held_lock+0x36/0x1c0
+[  234.604409]  aa_label_parse+0x42/0x50
+[  234.608195]  aa_change_profile+0x513/0x3510
+[  234.612517]  ? lock_acquire+0x1ed/0x520
+[  234.616509]  ? aa_change_hat+0x1a20/0x1a20
+[  234.620750]  ? is_bpf_text_address+0xd3/0x170
+[  234.625236]  ? __mutex_lock+0x85e/0x1700
+[  234.629291]  ? debug_smp_processor_id+0x1c/0x20
+[  234.633980]  ? perf_trace_lock+0x14d/0x7a0
+[  234.638224]  ? proc_pid_attr_write+0x28a/0x540
+[  234.642798]  ? mutex_trylock+0x2b0/0x2b0
+[  234.646843]  ? save_stack+0xa9/0xd0
+[  234.650464]  ? save_stack+0x43/0xd0
+[  234.654088]  ? kasan_kmalloc+0xc7/0xe0
+[  234.657958]  ? __kmalloc_track_caller+0x14a/0x750
+[  234.662787]  ? memdup_user+0x2c/0xa0
+[  234.666486]  ? proc_pid_attr_write+0x198/0x540
+[  234.671050]  ? graph_lock+0x170/0x170
+[  234.674838]  ? __x64_sys_write+0x73/0xb0
+[  234.678883]  ? graph_lock+0x170/0x170
+[  234.682667]  ? mark_held_locks+0x130/0x130
+[  234.686905]  apparmor_setprocattr+0xaa4/0x1150
+[  234.691492]  ? apparmor_task_kill+0xcb0/0xcb0
+[  234.695972]  ? lock_downgrade+0x900/0x900
+[  234.700106]  ? arch_local_save_flags+0x40/0x40
+[  234.704686]  security_setprocattr+0x66/0xc0
+[  234.708994]  proc_pid_attr_write+0x301/0x540
+[  234.713390]  __vfs_write+0x119/0x9f0
+[  234.717092]  ? check_preemption_disabled+0x48/0x200
+[  234.722091]  ? proc_loginuid_write+0x4f0/0x4f0
+[  234.726659]  ? kernel_read+0x120/0x120
+[  234.730541]  ? __lock_is_held+0xb5/0x140
+[  234.734597]  ? rcu_read_lock_sched_held+0x108/0x120
+[  234.739604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
+[  234.745137]  ? __sb_start_write+0x1b2/0x370
+[  234.749448]  vfs_write+0x1fc/0x560
+[  234.753002]  ksys_write+0x101/0x260
+[  234.756631]  ? __ia32_sys_read+0xb0/0xb0
+[  234.760687]  ? __bpf_trace_preemptirq_template+0x30/0x30
+[  234.766134]  __x64_sys_write+0x73/0xb0
+[  234.770007]  do_syscall_64+0x1b9/0x820
+[  234.773880]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
+[  234.779228]  ? syscall_return_slowpath+0x5e0/0x5e0
+[  234.784155]  ? trace_hardirqs_on_caller+0x310/0x310
+[  234.789167]  ? prepare_exit_to_usermode+0x3b0/0x3b0
+[  234.794202]  ? recalc_sigpending_tsk+0x180/0x180
+[  234.798958]  ? kasan_check_write+0x14/0x20
+[  234.803189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
+[  234.808025]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
+[  234.813215] RIP: 0033:0x457679
+[  234.816413] Code: 1d b4 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
+[  234.835326] RSP: 002b:00007f3dde3f7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
+[  234.843043] RAX: ffffffffffffffda RBX: 00007f3dde3f86d4 RCX: 0000000000457679
+[  234.850327] RDX: 0000000000000009 RSI: 0000000020000040 RDI: 0000000000000003
+[  234.857591] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
+[  234.864851] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
+[  234.872119] R13: 00000000004d8f38 R14: 00000000004c55ed R15: 0000000000000000
+[  234.879409] Modules linked in:
+[  234.886076] ---[ end trace 1246d7b16c2c67d7 ]---
+[  234.891053] RIP: 0010:memcmp+0x28/0x160
+[  234.895200] Code: 00 00 48 85 d2 0f 84 0a 01 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 f9 48 89 e5 48 c1 e9 03 41 54 53 48 89 fb 48 83 ec 18 <0f> b6 04 01 48 89 f9 83 e1 07 38 c8 7f 08 84 c0 0f 85 98 00 00 00
+[  234.914432] RSP: 0018:ffff88019a51ef98 EFLAGS: 00010292
+[  234.921713] RAX: dffffc0000000000 RBX: 1ffff100334a3e4f RCX: 03fffe20066947c9
+[  234.930241] RDX: 0000000000000002 RSI: ffffffff883f7980 RDI: 1ffff100334a3e4f
+[  234.938244] RBP: ffff88019a51efc0 R08: ffff8801b9432640 R09: ffffed003b5a4732
+[  234.945594] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000002
+[  234.952867] R13: ffffffff883f7980 R14: 1fff7901cd9c319f R15: dffffc0000000000
+[  234.960188] FS:  00007f3dde3f8700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000