forked to background, child pid 3050 no interfaces have a carrier [ 63.188803][ T3051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.210778][ T3051] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. 2022/02/22 11:06:18 parsed 1 programs syzkaller login: [ 93.731159][ T3475] cgroup: Unknown subsys name 'net' [ 93.883744][ T3475] cgroup: Unknown subsys name 'rlimit' 2022/02/22 11:06:19 executed programs: 0 [ 94.312847][ T3484] ===================================================== [ 94.319886][ T3484] BUG: KMSAN: uninit-value in number+0x851/0x23d0 [ 94.326341][ T3484] number+0x851/0x23d0 [ 94.330446][ T3484] vsnprintf+0x1f0d/0x3650 [ 94.334888][ T3484] snprintf+0x24a/0x290 [ 94.339070][ T3484] tomoyo_init_log+0xd1f/0x3ad0 [ 94.343950][ T3484] tomoyo_supervisor+0x8c0/0x27a0 [ 94.349004][ T3484] tomoyo_path_number_perm+0x8b1/0xaf0 [ 94.354499][ T3484] tomoyo_path_chmod+0x81/0x90 [ 94.359300][ T3484] security_path_chmod+0x1ed/0x2d0 [ 94.364443][ T3484] chmod_common+0x273/0x7b0 [ 94.368981][ T3484] __x64_sys_chmod+0x186/0x2d0 [ 94.373781][ T3484] do_syscall_64+0x54/0xd0 [ 94.378241][ T3484] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.384184][ T3484] [ 94.386510][ T3484] Local variable orig_es created at: [ 94.391793][ T3484] __es_remove_extent+0xac/0x3460 [ 94.396858][ T3484] ext4_es_insert_extent+0x559/0x62b0 [ 94.402268][ T3484] [ 94.404592][ T3484] CPU: 0 PID: 3484 Comm: syz-executor.2 Not tainted 5.17.0-rc4-syzkaller #0 [ 94.413293][ T3484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.423362][ T3484] ===================================================== [ 94.430305][ T3484] Disabling lock debugging due to kernel taint [ 94.437360][ T3484] Kernel panic - not syncing: kmsan.panic set ... [ 94.443785][ T3484] CPU: 0 PID: 3484 Comm: syz-executor.2 Tainted: G B 5.17.0-rc4-syzkaller #0 [ 94.453883][ T3484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.463957][ T3484] Call Trace: [ 94.467244][ T3484] [ 94.470183][ T3484] dump_stack_lvl+0x1ff/0x28e [ 94.474919][ T3484] dump_stack+0x25/0x28 [ 94.479115][ T3484] panic+0x487/0xe1f [ 94.483056][ T3484] ? add_taint+0x181/0x210 [ 94.487504][ T3484] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 94.493357][ T3484] kmsan_report+0x2e6/0x2f0 [ 94.497914][ T3484] ? stack_trace_save+0x43/0x60 [ 94.502828][ T3484] ? __msan_warning+0xb8/0x130 [ 94.507644][ T3484] ? number+0x851/0x23d0 [ 94.511922][ T3484] ? vsnprintf+0x1f0d/0x3650 [ 94.516545][ T3484] ? snprintf+0x24a/0x290 [ 94.520906][ T3484] ? tomoyo_init_log+0xd1f/0x3ad0 [ 94.525958][ T3484] ? tomoyo_supervisor+0x8c0/0x27a0 [ 94.531189][ T3484] ? tomoyo_path_number_perm+0x8b1/0xaf0 [ 94.536861][ T3484] ? tomoyo_path_chmod+0x81/0x90 [ 94.541839][ T3484] ? security_path_chmod+0x1ed/0x2d0 [ 94.547160][ T3484] ? chmod_common+0x273/0x7b0 [ 94.551872][ T3484] ? __x64_sys_chmod+0x186/0x2d0 [ 94.556844][ T3484] ? do_syscall_64+0x54/0xd0 [ 94.561478][ T3484] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.567592][ T3484] ? __module_address+0x61/0x610 [ 94.572580][ T3484] ? preempt_count_sub+0xf8/0x330 [ 94.577636][ T3484] ? kmsan_get_metadata+0x33/0x220 [ 94.582798][ T3484] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.588654][ T3484] ? __stack_depot_save+0x21/0x4d0 [ 94.593820][ T3484] ? kmsan_get_metadata+0x33/0x220 [ 94.598977][ T3484] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 94.605288][ T3484] __msan_warning+0xb8/0x130 [ 94.609922][ T3484] number+0x851/0x23d0 [ 94.614041][ T3484] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.619902][ T3484] vsnprintf+0x1f0d/0x3650 [ 94.624371][ T3484] snprintf+0x24a/0x290 [ 94.628667][ T3484] tomoyo_init_log+0xd1f/0x3ad0 [ 94.633620][ T3484] tomoyo_supervisor+0x8c0/0x27a0 [ 94.638701][ T3484] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 94.645004][ T3484] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.650866][ T3484] tomoyo_path_number_perm+0x8b1/0xaf0 [ 94.656399][ T3484] ? preempt_count_sub+0xf8/0x330 [ 94.661462][ T3484] tomoyo_path_chmod+0x81/0x90 [ 94.666270][ T3484] ? tomoyo_file_ioctl+0x90/0x90 [ 94.671248][ T3484] security_path_chmod+0x1ed/0x2d0 [ 94.676405][ T3484] chmod_common+0x273/0x7b0 [ 94.680957][ T3484] ? user_path_at_empty+0x3ce/0x410 [ 94.686203][ T3484] __x64_sys_chmod+0x186/0x2d0 [ 94.691026][ T3484] do_syscall_64+0x54/0xd0 [ 94.695498][ T3484] ? exc_page_fault+0x76/0x150 [ 94.700305][ T3484] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 94.706263][ T3484] RIP: 0033:0x7f3d274c0137 [ 94.710705][ T3484] Code: ff ff ff ff c3 66 0f 1f 44 00 00 48 c7 c0 b8 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 5a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 94.730553][ T3484] RSP: 002b:00007ffc494de8b8 EFLAGS: 00000206 ORIG_RAX: 000000000000005a [ 94.739021][ T3484] RAX: ffffffffffffffda RBX: 00007ffc494deef8 RCX: 00007f3d274c0137 [ 94.747027][ T3484] RDX: 0000000000000107 RSI: 00000000000001ff RDI: 00007ffc494de990 [ 94.755029][ T3484] RBP: 00007ffc494de990 R08: 000000000000001c R09: 0000000000000010 [ 94.763038][ T3484] R10: 000000000000005e R11: 0000000000000206 R12: 00000000fffffff1 [ 94.771035][ T3484] R13: 00007ffc494de990 R14: 0000000000000000 R15: 0000000000000000 [ 94.779045][ T3484] [ 94.782148][ T3484] Kernel Offset: disabled [ 94.786476][ T3484] Rebooting in 86400 seconds..