audit: type=1804 audit(1675169344.468:3): pid=8123 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor318" name="/root/file0/bus" dev="loop0" ino=1357 res=1 ------------[ cut here ]------------ ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8114 at fs/udf/inode.c:1975 __udf_add_aext.cold+0x11/0x76 fs/udf/inode.c:1975 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8114 Comm: syz-executor318 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__udf_add_aext.cold+0x11/0x76 fs/udf/inode.c:1975 Code: 13 75 fa e8 e7 b1 69 f9 e8 32 75 9f f9 48 c7 c7 60 89 9a 88 e8 52 8b 1d 00 e8 d1 b1 69 f9 48 c7 c7 80 85 9a 88 e8 30 e3 fa ff <0f> 0b e9 bc 1b 76 fa e8 b9 b1 69 f9 48 c7 c7 80 85 9a 88 e8 18 e3 audit: type=1804 audit(1675169344.478:4): pid=8127 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor318" name="/root/file0/bus" dev="loop4" ino=1357 res=1 RSP: 0018:ffff8880b2746ed0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8880b2747220 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10164e8dcc RBP: ffff88808c882120 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffffffffff68 R14: 0000000000000010 R15: 0000000000000150 udf_add_aext+0x243/0x2e0 fs/udf/inode.c:2037 udf_insert_aext fs/udf/inode.c:2198 [inline] udf_update_extents fs/udf/inode.c:1186 [inline] inode_getblk+0x1984/0x3b30 fs/udf/inode.c:890 udf_get_block+0x1e1/0x650 fs/udf/inode.c:439 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978 __block_write_begin fs/buffer.c:2028 [inline] block_write_begin+0x58/0x2e0 fs/buffer.c:2087 udf_write_begin+0x39/0xa0 fs/udf/inode.c:206 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 udf_file_write_iter+0x2d4/0x4e0 fs/udf/file.c:169 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 __kernel_write+0x109/0x370 fs/read_write.c:506 write_pipe_buf+0x153/0x1f0 fs/splice.c:798 audit: type=1804 audit(1675169344.489:5): pid=8145 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor318" name="/root/file0/bus" dev="loop3" ino=1357 res=1 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x389/0x800 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] default_file_splice_write+0xd8/0x180 fs/splice.c:810 WARNING: CPU: 1 PID: 8123 at fs/udf/inode.c:1975 __udf_add_aext.cold+0x11/0x76 fs/udf/inode.c:1975 Modules linked in: CPU: 1 PID: 8123 Comm: syz-executor318 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1025 RIP: 0010:__udf_add_aext.cold+0x11/0x76 fs/udf/inode.c:1975 splice_direct_to_actor+0x33f/0x8d0 fs/splice.c:980 Code: 13 75 fa e8 e7 b1 69 f9 e8 32 75 9f f9 48 c7 c7 60 89 9a 88 e8 52 8b 1d 00 e8 d1 b1 69 f9 48 c7 c7 80 85 9a 88 e8 30 e3 fa ff <0f> 0b e9 bc 1b 76 fa e8 b9 b1 69 f9 48 c7 c7 80 85 9a 88 e8 18 e3 RSP: 0018:ffff8880b159eed0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8880b159f220 RCX: 0000000000000000 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10162b3dcc RBP: ffff88808c885bc0 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 do_sendfile+0x550/0xc30 fs/read_write.c:1447 R13: ffffffffffffff68 R14: 0000000000000010 R15: 0000000000000150 FS: 00007f79cc8b1700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe70596ab8 CR3: 000000009b4f5000 CR4: 00000000003406e0 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_add_aext+0x243/0x2e0 fs/udf/inode.c:2037 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe udf_insert_aext fs/udf/inode.c:2198 [inline] udf_update_extents fs/udf/inode.c:1186 [inline] inode_getblk+0x1984/0x3b30 fs/udf/inode.c:890 RIP: 0033:0x7f79cc905159 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f79cc8b12f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f79cc989720 RCX: 00007f79cc905159 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f79cc956cb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000fc4 R11: 0000000000000246 R12: 00007f79cc9560c0 R13: 0000000020000cc0 R14: 0030656c69662f2e R15: 00007f79cc989728 udf_get_block+0x1e1/0x650 fs/udf/inode.c:439 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978 __block_write_begin fs/buffer.c:2028 [inline] block_write_begin+0x58/0x2e0 fs/buffer.c:2087 udf_write_begin+0x39/0xa0 fs/udf/inode.c:206 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 udf_file_write_iter+0x2d4/0x4e0 fs/udf/file.c:169 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 __kernel_write+0x109/0x370 fs/read_write.c:506 write_pipe_buf+0x153/0x1f0 fs/splice.c:798 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x389/0x800 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] default_file_splice_write+0xd8/0x180 fs/splice.c:810 do_splice_from fs/splice.c:852 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1025 splice_direct_to_actor+0x33f/0x8d0 fs/splice.c:980 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 do_sendfile+0x550/0xc30 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f79cc905159 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f79cc8b12f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f79cc989720 RCX: 00007f79cc905159 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f79cc956cb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000fc4 R11: 0000000000000246 R12: 00007f79cc9560c0 R13: 0000000020000cc0 R14: 0030656c69662f2e R15: 00007f79cc989728 irq event stamp: 10970 hardirqs last enabled at (10969): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (10969): [] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (10970): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (10422): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (10381): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (10381): [] irq_exit+0x215/0x260 kernel/softirq.c:412 ---[ end trace da89b52b7a99a170 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..