[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.104' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 494.823206] divide error: 0000 [#1] PREEMPT SMP KASAN [ 494.828431] CPU: 1 PID: 8101 Comm: syz-executor362 Not tainted 4.19.211-syzkaller #0 [ 494.836396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 494.845750] RIP: 0010:dbNextAG+0xff/0x530 [ 494.849881] Code: df 48 89 c1 48 89 04 24 83 e0 07 48 c1 e9 03 0f b6 0c 11 48 89 c2 83 c2 03 38 ca 7c 08 84 c9 0f 85 8a 03 00 00 44 89 f0 31 d2 <41> f7 74 24 14 49 89 c6 49 8d 44 24 20 48 89 c2 48 89 44 24 18 48 [ 494.868767] RSP: 0018:ffff8880b1477238 EFLAGS: 00010246 [ 494.874118] RAX: 00000000932f7300 RBX: ffff8880a50381c0 RCX: 0000000000000000 [ 494.881379] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880b057c548 [ 494.888746] RBP: ffff8880b057c540 R08: 0000000000000000 R09: ffffed10160af932 [ 494.895996] R10: ffff8880b057c997 R11: 0000000000074071 R12: ffff8880b057c540 [ 494.903243] R13: 0000000000000001 R14: 00000000932f7300 R15: ffff88808b04c180 [ 494.910512] FS: 0000555556599300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 494.918713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 494.924568] CR2: 00007f89014c46c0 CR3: 00000000ab3a3000 CR4: 00000000003406e0 [ 494.931818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 494.939064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 494.946312] Call Trace: [ 494.948905] ? check_preemption_disabled+0x41/0x280 [ 494.953910] dbAlloc+0x44b/0xb00 [ 494.957264] ? kmem_cache_alloc_trace+0x323/0x380 [ 494.962359] dtSplitUp+0x365/0x4e70 [ 494.965971] ? do_async_page_fault+0xc0/0x140 [ 494.970454] ? __lock_acquire+0x6de/0x3ff0 [ 494.974664] ? dtSplitRoot+0x1590/0x1590 [ 494.978703] ? kfree+0xcc/0x210 [ 494.981963] ? dtSearch+0x1612/0x1ef0 [ 494.985742] ? jfs_create.part.0+0x231/0x880 [ 494.990135] ? jfs_create+0x3f/0x60 [ 494.993747] ? lookup_open+0x893/0x1a20 [ 494.997698] ? path_openat+0x1094/0x2df0 [ 495.001737] ? do_filp_open+0x18c/0x3f0 [ 495.005687] ? do_sys_open+0x3b3/0x520 [ 495.009556] ? do_syscall_64+0xf9/0x620 [ 495.013515] ? mark_held_locks+0xf0/0xf0 [ 495.017563] ? debug_check_no_obj_freed+0x201/0x490 [ 495.022557] ? lock_downgrade+0x720/0x720 [ 495.026682] ? txLockAlloc+0x211/0x2e0 [ 495.030546] ? txLock+0x6b1/0x1bd0 [ 495.034157] ? lock_downgrade+0x720/0x720 [ 495.038293] ? lock_acquire+0x170/0x3c0 [ 495.042247] ? txLock+0x9e/0x1bd0 [ 495.045678] dtInsert+0x7fd/0xa00 [ 495.049109] ? dtSearch+0x1ef0/0x1ef0 [ 495.052885] ? txEnd+0x320/0x320 [ 495.056231] jfs_create.part.0+0x3c6/0x880 [ 495.060446] ? jfs_mkdir+0x60/0x60 [ 495.063966] ? jfs_lookup+0xb5/0x1c0 [ 495.067660] ? __dquot_initialize+0x298/0xb70 [ 495.072134] ? userns_put+0xb0/0xb0 [ 495.075737] ? dquot_initialize_needed+0x290/0x290 [ 495.080643] ? param_get_aalockpolicy+0x90/0x90 [ 495.085292] ? __d_lookup+0x411/0x710 [ 495.089075] ? generic_permission+0x116/0x4d0 [ 495.093547] ? security_inode_permission+0xc5/0xf0 [ 495.098455] jfs_create+0x3f/0x60 [ 495.101886] ? jfs_create.part.0+0x880/0x880 [ 495.106275] lookup_open+0x893/0x1a20 [ 495.110056] ? vfs_mkdir+0x7a0/0x7a0 [ 495.113749] ? unlazy_walk+0x1a4/0x540 [ 495.117619] ? check_preemption_disabled+0x41/0x280 [ 495.122619] path_openat+0x1094/0x2df0 [ 495.126501] ? path_lookupat+0x8d0/0x8d0 [ 495.130537] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 495.135878] ? mark_held_locks+0xf0/0xf0 [ 495.139922] ? __lock_acquire+0x6de/0x3ff0 [ 495.144133] do_filp_open+0x18c/0x3f0 [ 495.147916] ? may_open_dev+0xf0/0xf0 [ 495.151700] ? lock_downgrade+0x720/0x720 [ 495.155829] ? lock_acquire+0x170/0x3c0 [ 495.159792] ? __alloc_fd+0x34/0x570 [ 495.163484] ? do_raw_spin_unlock+0x171/0x230 [ 495.167954] ? _raw_spin_unlock+0x29/0x40 [ 495.172079] ? __alloc_fd+0x28d/0x570 [ 495.175860] do_sys_open+0x3b3/0x520 [ 495.179549] ? filp_open+0x70/0x70 [ 495.183064] ? fput+0x2b/0x190 [ 495.186243] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 495.191588] ? trace_hardirqs_off_caller+0x6e/0x210 [ 495.196582] ? do_syscall_64+0x21/0x620 [ 495.200535] do_syscall_64+0xf9/0x620 [ 495.204317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 495.209675] RIP: 0033:0x7faa49b4be19 [ 495.213373] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 495.232252] RSP: 002b:00007ffe840ce398 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 495.239942] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa49b4be19 [ 495.247199] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c [ 495.254535] RBP: 00007faa49b0b680 R08: 0000000000000000 R09: 0000000000000000 [ 495.261785] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000073 [ 495.269031] R13: 0000000000000000 R14: 00080000000000fc R15: 0000000000000000 [ 495.276278] Modules linked in: [ 495.280501] ---[ end trace 7b75155e2b03922c ]--- [ 495.285303] RIP: 0010:dbNextAG+0xff/0x530 [ 495.289454] Code: df 48 89 c1 48 89 04 24 83 e0 07 48 c1 e9 03 0f b6 0c 11 48 89 c2 83 c2 03 38 ca 7c 08 84 c9 0f 85 8a 03 00 00 44 89 f0 31 d2 <41> f7 74 24 14 49 89 c6 49 8d 44 24 20 48 89 c2 48 89 44 24 18 48 [ 495.308522] RSP: 0018:ffff8880b1477238 EFLAGS: 00010246 [ 495.313928] RAX: 00000000932f7300 RBX: ffff8880a50381c0 RCX: 0000000000000000 [ 495.321275] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880b057c548 [ 495.328535] RBP: ffff8880b057c540 R08: 0000000000000000 R09: ffffed10160af932 [ 495.335832] R10: ffff8880b057c997 R11: 0000000000074071 R12: ffff8880b057c540 [ 495.343247] R13: 0000000000000001 R14: 00000000932f7300 R15: ffff88808b04c180 [ 495.350515] FS: 0000555556599300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 495.358763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 495.364699] CR2: 00007f89014c46c0 CR3: 00000000ab3a3000 CR4: 00000000003406e0 [ 495.371990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 495.379261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 495.386564] Kernel panic - not syncing: Fatal exception [ 495.392129] Kernel Offset: disabled [ 495.395830] Rebooting in 86400 seconds..