Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. executing program [ 38.230109] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 38.244073] audit: type=1804 audit(1669485055.034:2): pid=8108 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor297" name="/root/file0/bus" dev="loop0" ino=18 res=1 [ 38.252865] ------------[ cut here ]------------ [ 38.268754] kernel BUG at fs/ext4/inode.c:2794! [ 38.273742] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 38.279114] CPU: 0 PID: 8108 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 38.285476] audit: type=1804 audit(1669485055.034:3): pid=8108 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor297" name="/root/file0/bus" dev="loop0" ino=18 res=1 [ 38.286990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 38.315686] RIP: 0010:ext4_writepages+0x2d31/0x37f0 [ 38.320699] 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 [ 38.339583] RSP: 0018:ffff8880949af068 EFLAGS: 00010293 [ 38.344924] RAX: ffff888093f4a600 RBX: 0000000000000001 RCX: ffffffff81e03070 [ 38.352179] RDX: 0000000000000000 RSI: ffffffff81e034e1 RDI: 0000000000000007 [ 38.359426] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.366673] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000001 [ 38.373919] R13: dffffc0000000000 R14: ffff88808b4a07f0 R15: 0000000000000000 [ 38.381170] FS: 0000555555fef300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 38.389372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.395232] CR2: 00005579dc3bc740 CR3: 000000009c5a7000 CR4: 00000000003406f0 [ 38.402481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.409728] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.416977] Call Trace: [ 38.419551] ? ext4_mark_iloc_dirty+0x1b0d/0x2b30 [ 38.424405] ? find_inode_nowait+0x158/0x190 [ 38.428889] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.433906] ? ext4_mark_inode_dirty+0x870/0x870 [ 38.438657] ? __ext4_handle_dirty_metadata+0x1e0/0x590 [ 38.444014] ? find_inode_nowait+0x158/0x190 [ 38.448407] ? __brelse+0x84/0xa0 [ 38.451844] ? __lock_acquire+0x6de/0x3ff0 [ 38.456060] ? ext4_chunk_trans_blocks+0x30/0x30 [ 38.460796] ? __ext4_journal_get_write_access+0x6c/0xa0 [ 38.466225] ? mark_held_locks+0xf0/0xf0 [ 38.470268] ? ext4_mark_inode_dirty+0x222/0x870 [ 38.475004] ? ext4_expand_extra_isize+0x500/0x500 [ 38.480001] ? ext4_mark_inode_dirty+0x870/0x870 [ 38.484735] do_writepages+0xe5/0x290 [ 38.488527] ? page_writeback_cpu_online+0x10/0x10 [ 38.493435] ? do_raw_spin_unlock+0x171/0x230 [ 38.497916] ? _raw_spin_unlock+0x29/0x40 [ 38.502044] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 38.507299] __filemap_fdatawrite_range+0x27d/0x350 [ 38.512294] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 38.517642] ? generic_perform_write+0x36c/0x4d0 [ 38.522375] file_write_and_wait_range+0x93/0x100 [ 38.527197] __generic_file_fsync+0x74/0x1f0 [ 38.531587] ext4_sync_file+0xa35/0x1420 [ 38.535632] ? ext4_getfsmap+0x980/0x980 [ 38.539670] vfs_fsync_range+0x13a/0x220 [ 38.543709] ext4_file_write_iter+0x726/0xf20 [ 38.548192] ? kasan_kmalloc+0x139/0x160 [ 38.552238] ? ext4_file_open+0x600/0x600 [ 38.556370] ? iter_file_splice_write+0x168/0xbb0 [ 38.561194] ? direct_splice_actor+0x115/0x160 [ 38.565754] ? splice_direct_to_actor+0x33f/0x8d0 [ 38.570575] ? do_sendfile+0x550/0xc30 [ 38.574440] ? __se_sys_sendfile64+0x147/0x160 [ 38.579008] ? do_syscall_64+0xf9/0x620 [ 38.582984] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.588332] ? common_file_perm+0x4e5/0x850 [ 38.592719] do_iter_readv_writev+0x668/0x790 [ 38.597193] ? clone_verify_area+0x240/0x240 [ 38.601584] ? security_file_permission+0x1c0/0x220 [ 38.606578] do_iter_write+0x182/0x5d0 [ 38.610448] vfs_iter_write+0x70/0xa0 [ 38.614227] iter_file_splice_write+0x60d/0xbb0 [ 38.618879] ? splice_from_pipe_next.part.0+0x360/0x360 [ 38.624225] ? check_preemption_disabled+0x41/0x280 [ 38.629224] ? security_file_permission+0x1c0/0x220 [ 38.634222] ? splice_from_pipe_next.part.0+0x360/0x360 [ 38.639566] direct_splice_actor+0x115/0x160 [ 38.643958] splice_direct_to_actor+0x33f/0x8d0 [ 38.648608] ? generic_pipe_buf_nosteal+0x10/0x10 [ 38.653428] ? do_splice_to+0x160/0x160 [ 38.657399] do_splice_direct+0x1a7/0x270 [ 38.661527] ? splice_direct_to_actor+0x8d0/0x8d0 [ 38.666360] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.671356] do_sendfile+0x550/0xc30 [ 38.675050] ? do_compat_pwritev64+0x1b0/0x1b0 [ 38.679616] ? do_sys_ftruncate+0x410/0x560 [ 38.683916] __se_sys_sendfile64+0x147/0x160 [ 38.688303] ? __se_sys_sendfile+0x180/0x180 [ 38.692692] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.698053] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.703048] ? do_syscall_64+0x21/0x620 [ 38.707005] do_syscall_64+0xf9/0x620 [ 38.710787] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.715971] RIP: 0033:0x7f773e7da8e9 [ 38.719667] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.738545] RSP: 002b:00007ffeb8dfe278 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 38.746232] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f773e7da8e9 [ 38.753479] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 38.760725] RBP: 00007f773e79a180 R08: 0000000000000000 R09: 0000000000000000 [ 38.768173] R10: 0001000000201005 R11: 0000000000000246 R12: 00007f773e79a210 [ 38.775421] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 38.782670] Modules linked in: [ 38.786311] ---[ end trace 687bc1fed70bdd14 ]--- [ 38.791087] RIP: 0010:ext4_writepages+0x2d31/0x37f0 [ 38.796149] 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 [ 38.815170] RSP: 0018:ffff8880949af068 EFLAGS: 00010293 [ 38.820529] RAX: ffff888093f4a600 RBX: 0000000000000001 RCX: ffffffff81e03070 [ 38.827826] RDX: 0000000000000000 RSI: ffffffff81e034e1 RDI: 0000000000000007 [ 38.835178] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.842447] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000001 [ 38.849752] R13: dffffc0000000000 R14: ffff88808b4a07f0 R15: 0000000000000000 [ 38.857093] FS: 0000555555fef300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 38.865346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.871223] CR2: 00005579dc3bc740 CR3: 000000009c5a7000 CR4: 00000000003406f0 [ 38.878525] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.885844] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.893103] Kernel panic - not syncing: Fatal exception [ 38.898606] Kernel Offset: disabled [ 38.902227] Rebooting in 86400 seconds..