Warning: Permanently added '10.128.1.52' (ECDSA) to the list of known hosts. executing program [ 35.588246] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 35.599193] audit: type=1804 audit(1666129213.360:2): pid=8103 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor419" name="/root/file0/file0" dev="loop0" ino=17 res=1 [ 35.636185] ------------[ cut here ]------------ [ 35.641168] kernel BUG at fs/ext4/inode.c:2794! [ 35.643851] audit: type=1804 audit(1666129213.390:3): pid=8103 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor419" name="/root/file0/file0" dev="loop0" ino=17 res=1 [ 35.646164] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 35.670606] CPU: 0 PID: 8103 Comm: syz-executor419 Not tainted 4.19.211-syzkaller #0 [ 35.678463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.687810] RIP: 0010:ext4_writepages+0x2d31/0x37f0 [ 35.692806] Code: 00 fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 25 da ff ff 48 8b 3c 24 e8 89 2d b8 ff e9 17 da ff ff e8 8f 50 82 ff <0f> 0b 4c 8b b4 24 20 01 00 00 e8 80 50 82 ff 0f b6 ac 24 50 02 00 [ 35.711689] RSP: 0018:ffff8880b2bef588 EFLAGS: 00010293 [ 35.717035] RAX: ffff8880b13d8640 RBX: 0000000000000001 RCX: ffffffff81e03070 [ 35.724372] RDX: 0000000000000000 RSI: ffffffff81e034e1 RDI: 0000000000000007 [ 35.731623] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.738870] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000001 [ 35.746120] R13: dffffc0000000000 R14: ffff88808dec5830 R15: 0000000000000000 [ 35.753372] FS: 0000555555896300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 35.761576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.767436] CR2: 000055820b00aee8 CR3: 00000000aaf27000 CR4: 00000000003406f0 [ 35.774687] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.781941] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.789188] Call Trace: [ 35.791765] ? ext4_mark_iloc_dirty+0x1b0d/0x2b30 [ 35.796677] ? check_preemption_disabled+0x41/0x280 [ 35.801678] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.807195] ? ext4_mark_inode_dirty+0x870/0x870 [ 35.811938] ? dirty_poll_interval.part.0+0xd/0x30 [ 35.816968] ? balance_dirty_pages+0x11a1/0x28a0 [ 35.821753] ? __lock_acquire+0x6de/0x3ff0 [ 35.825972] ? ext4_chunk_trans_blocks+0x30/0x30 [ 35.830716] ? wb_position_ratio+0x540/0x540 [ 35.835170] ? mark_held_locks+0xf0/0xf0 [ 35.839219] ? ext4_mark_inode_dirty+0x222/0x870 [ 35.843956] ? ext4_mark_inode_dirty+0x870/0x870 [ 35.848691] do_writepages+0xe5/0x290 [ 35.852473] ? page_writeback_cpu_online+0x10/0x10 [ 35.857387] ? do_raw_spin_unlock+0x171/0x230 [ 35.861862] ? _raw_spin_unlock+0x29/0x40 [ 35.865996] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 35.871251] __filemap_fdatawrite_range+0x27d/0x350 [ 35.876247] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 35.881685] ? generic_perform_write+0x36c/0x4d0 [ 35.886419] file_write_and_wait_range+0x93/0x100 [ 35.891238] __generic_file_fsync+0x74/0x1f0 [ 35.895644] ext4_sync_file+0xa35/0x1420 [ 35.899682] ? ext4_getfsmap+0x980/0x980 [ 35.903719] vfs_fsync_range+0x13a/0x220 [ 35.907757] ext4_file_write_iter+0x726/0xf20 [ 35.912229] ? ext4_file_open+0x600/0x600 [ 35.916354] ? mark_held_locks+0xf0/0xf0 [ 35.920393] ? mark_held_locks+0xf0/0xf0 [ 35.924432] ? debug_check_no_obj_freed+0x201/0x490 [ 35.929425] __vfs_write+0x51b/0x770 [ 35.933121] ? common_file_perm+0x4e5/0x850 [ 35.937417] ? kernel_read+0x110/0x110 [ 35.941288] ? check_preemption_disabled+0x41/0x280 [ 35.946406] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.951405] vfs_write+0x1f3/0x540 [ 35.954924] ksys_write+0x12b/0x2a0 [ 35.958530] ? __ia32_sys_read+0xb0/0xb0 [ 35.962569] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.967564] ? do_syscall_64+0x21/0x620 [ 35.971516] do_syscall_64+0xf9/0x620 [ 35.975312] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.980477] RIP: 0033:0x7f5cd7030f09 [ 35.984168] 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 [ 36.003103] RSP: 002b:00007ffce39e20d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.010791] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5cd7030f09 [ 36.018040] RDX: 0000000000000088 RSI: 0000000020000440 RDI: 0000000000000006 [ 36.025287] RBP: 00007f5cd6ff07a0 R08: 0000000000000000 R09: 0000000000000000 [ 36.032538] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5cd6ff0830 [ 36.039788] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.047040] Modules linked in: [ 36.050469] ---[ end trace 5045866cfcb6e0d3 ]--- [ 36.055237] RIP: 0010:ext4_writepages+0x2d31/0x37f0 [ 36.060310] Code: 00 fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 25 da ff ff 48 8b 3c 24 e8 89 2d b8 ff e9 17 da ff ff e8 8f 50 82 ff <0f> 0b 4c 8b b4 24 20 01 00 00 e8 80 50 82 ff 0f b6 ac 24 50 02 00 [ 36.079352] RSP: 0018:ffff8880b2bef588 EFLAGS: 00010293 [ 36.085391] RAX: ffff8880b13d8640 RBX: 0000000000000001 RCX: ffffffff81e03070 [ 36.092855] RDX: 0000000000000000 RSI: ffffffff81e034e1 RDI: 0000000000000007 [ 36.100214] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 36.107467] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000001 [ 36.114756] R13: dffffc0000000000 R14: ffff88808dec5830 R15: 0000000000000000 [ 36.122079] FS: 0000555555896300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 36.130344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.136334] CR2: 000055820b00aee8 CR3: 00000000aaf27000 CR4: 00000000003406f0 [ 36.144428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.151748] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.159086] Kernel panic - not syncing: Fatal exception [ 36.164616] Kernel Offset: disabled [ 36.168234] Rebooting in 86400 seconds..