Warning: Permanently added '10.128.10.48' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 503.763003] audit: type=1800 audit(1664864195.333:2): pid=7963 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor384" name="bus" dev="loop0" ino=7 res=0 [ 503.778893] BUG at fs/jfs/jfs_dmap.c:3010 assert(n < 4) [ 503.786601] ------------[ cut here ]------------ [ 503.791348] kernel BUG at fs/jfs/jfs_dmap.c:3010! [ 503.793799] audit: type=1800 audit(1664864195.333:3): pid=7963 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor384" name="bus" dev="loop0" ino=7 res=0 [ 503.796246] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 503.819439] Modules linked in: [ 503.822605] CPU: 0 PID: 7963 Comm: syz-executor384 Not tainted 4.14.295-syzkaller #0 [ 503.830452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 503.839777] task: ffff8880ae936080 task.stack: ffff8880b3a58000 [ 503.845807] RIP: 0010:dbFindLeaf+0x110/0x200 [ 503.850194] RSP: 0018:ffff8880b3a5f598 EFLAGS: 00010286 [ 503.855535] RAX: 000000000000002b RBX: 0000000000000071 RCX: 0000000000000000 [ 503.862779] RDX: 0000000000000000 RSI: ffffffff878bc9e0 RDI: ffffed101674bea9 [ 503.870028] RBP: ffff8880b3340010 R08: 000000000000002b R09: 0000000000000000 [ 503.877270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000071 [ 503.884513] R13: 0000000000000000 R14: dffffc0000000000 R15: 000000000070be01 [ 503.891755] FS: 0000555557272300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 503.899955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 503.905808] CR2: 000055a305332160 CR3: 00000000b4edb000 CR4: 00000000003406f0 [ 503.913055] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 503.920297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 503.927539] Call Trace: [ 503.930113] dbAllocDmapLev+0x87/0x280 [ 503.933979] ? lock_acquire+0x170/0x3f0 [ 503.937927] ? dbAllocNext+0x370/0x370 [ 503.941790] dbAlloc+0x6e9/0x980 [ 503.945131] ? mark_held_locks+0xa6/0xf0 [ 503.949174] extAlloc+0x478/0xc20 [ 503.952607] ? jfs_ioc_trim+0x3d0/0x3d0 [ 503.956559] jfs_get_block+0x1be/0x950 [ 503.960433] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 503.965437] ? jfs_open+0x2f0/0x2f0 [ 503.969041] ? alloc_buffer_head+0xe1/0x110 [ 503.973340] nobh_write_begin+0x368/0xc10 [ 503.977463] jfs_write_begin+0x3e/0x190 [ 503.981410] ? jfs_open+0x2f0/0x2f0 [ 503.985009] generic_perform_write+0x1c9/0x420 [ 503.989562] ? jfs_direct_IO+0x13a/0x340 [ 503.993594] ? filemap_page_mkwrite+0x2d0/0x2d0 [ 503.998235] ? generic_file_direct_write+0x2fa/0x420 [ 504.003310] __generic_file_write_iter+0x42b/0x590 [ 504.008211] generic_file_write_iter+0x36f/0x650 [ 504.012939] do_iter_readv_writev+0x4cf/0x5f0 [ 504.017403] ? clone_verify_area+0x1e0/0x1e0 [ 504.021784] ? rw_verify_area+0xe1/0x2a0 [ 504.025817] do_iter_write+0x152/0x550 [ 504.029676] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 504.035110] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 504.040105] vfs_writev+0x125/0x290 [ 504.043705] ? vfs_iter_write+0xa0/0xa0 [ 504.047655] ? do_truncate+0x129/0x1a0 [ 504.051515] ? lock_downgrade+0x740/0x740 [ 504.055635] ? up_write+0x17/0x60 [ 504.059061] ? do_truncate+0x12e/0x1a0 [ 504.062922] ? do_sys_ftruncate.constprop.0+0x33b/0x480 [ 504.068256] SyS_pwritev2+0x195/0x230 [ 504.072029] ? SyS_pwritev+0x200/0x200 [ 504.075886] ? do_syscall_64+0x4c/0x640 [ 504.079846] ? SyS_pwritev+0x200/0x200 [ 504.083718] do_syscall_64+0x1d5/0x640 [ 504.087584] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 504.092748] RIP: 0033:0x7f44400d8049 [ 504.096436] RSP: 002b:00007ffd19e85b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 504.104119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44400d8049 [ 504.111366] RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000003 [ 504.118613] RBP: 00007f44400978b0 R08: 0000000000000000 R09: 0000000000000003 [ 504.125857] R10: 0000000000001400 R11: 0000000000000246 R12: 0000000000000073 [ 504.133099] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 504.140345] Code: c3 01 44 39 e3 75 be e8 ff 30 1a ff 48 c7 c1 40 a2 b6 87 ba c2 0b 00 00 48 c7 c6 c0 a1 b6 87 48 c7 c7 00 a2 b6 87 e8 65 ba c7 04 <0f> 0b e8 d9 30 1a ff 8d 04 9d 01 00 00 00 41 83 ef 01 75 80 e8 [ 504.159411] RIP: dbFindLeaf+0x110/0x200 RSP: ffff8880b3a5f598 [ 504.165573] ---[ end trace 21bb51fefe847d0e ]--- [ 504.170316] Kernel panic - not syncing: Fatal exception [ 504.175940] Kernel Offset: disabled [ 504.179546] Rebooting in 86400 seconds..