audit: type=1804 audit(1675171721.883:2): pid=8004 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor276" name="/root/file0/bus" dev="loop1" ino=1357 res=1 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1804 audit(1675171721.914:3): pid=8012 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor276" name="/root/file0/bus" dev="loop4" ino=1357 res=1 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8004 at fs/udf/inode.c:1977 __udf_add_aext+0x4cf/0x670 fs/udf/inode.c:1977 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8004 Comm: syz-executor276 Not tainted 4.14.304-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RIP: 0010:__udf_add_aext+0x4cf/0x670 fs/udf/inode.c:1977 RSP: 0018:ffff888091aaf048 EFLAGS: 00010297 ------------[ cut here ]------------ RAX: ffff8880b3308680 RBX: ffff888091aaf378 RCX: 1ffff11011c7920c WARNING: CPU: 1 PID: 8014 at fs/udf/inode.c:1977 __udf_add_aext+0x4cf/0x670 fs/udf/inode.c:1977 RDX: 0000000000000000 RSI: ffff888091aaf380 RDI: ffff88808e3c9060 Modules linked in: RBP: ffff88808e3c9160 R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000000 R11: ffff8880b3308680 R12: 0000000000000001 CPU: 1 PID: 8014 Comm: syz-executor276 Not tainted 4.14.304-syzkaller #0 R13: 0000000000000000 R14: 0000000000000010 R15: 00000000000000b0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 task: ffff88809ce8a200 task.stack: ffff8880b3848000 udf_add_aext+0x1f2/0x280 fs/udf/inode.c:2039 RIP: 0010:__udf_add_aext+0x4cf/0x670 fs/udf/inode.c:1977 RSP: 0018:ffff8880b384f048 EFLAGS: 00010297 RAX: ffff88809ce8a200 RBX: ffff8880b384f378 RCX: 1ffff11011c7a41c udf_insert_aext fs/udf/inode.c:2200 [inline] udf_update_extents fs/udf/inode.c:1177 [inline] inode_getblk+0x1911/0x37a0 fs/udf/inode.c:881 RDX: 0000000000000000 RSI: ffff8880b384f380 RDI: ffff88808e3d20e0 RBP: ffff88808e3d21e0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: ffff88809ce8a200 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000010 R15: 00000000000000b0 FS: 00007fe541337700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fd5c6550e8 CR3: 00000000aa28d000 CR4: 00000000003406e0 udf_get_block+0x202/0x570 fs/udf/inode.c:444 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038 Call Trace: udf_add_aext+0x1f2/0x280 fs/udf/inode.c:2039 udf_insert_aext fs/udf/inode.c:2200 [inline] udf_update_extents fs/udf/inode.c:1177 [inline] inode_getblk+0x1911/0x37a0 fs/udf/inode.c:881 __block_write_begin fs/buffer.c:2088 [inline] block_write_begin+0x58/0x270 fs/buffer.c:2147 udf_write_begin+0x39/0xa0 fs/udf/inode.c:206 generic_perform_write+0x1d5/0x430 mm/filemap.c:3055 udf_get_block+0x202/0x570 fs/udf/inode.c:444 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038 udf_file_write_iter+0x284/0x470 fs/udf/file.c:169 call_write_iter include/linux/fs.h:1780 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 __block_write_begin fs/buffer.c:2088 [inline] block_write_begin+0x58/0x270 fs/buffer.c:2147 udf_write_begin+0x39/0xa0 fs/udf/inode.c:206 __kernel_write+0xf5/0x330 fs/read_write.c:501 generic_perform_write+0x1d5/0x430 mm/filemap.c:3055 write_pipe_buf+0x143/0x1c0 fs/splice.c:797 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 udf_file_write_iter+0x284/0x470 fs/udf/file.c:169 splice_from_pipe fs/splice.c:661 [inline] default_file_splice_write+0xc5/0x150 fs/splice.c:809 call_write_iter include/linux/fs.h:1780 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1018 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973 __kernel_write+0xf5/0x330 fs/read_write.c:501 write_pipe_buf+0x143/0x1c0 fs/splice.c:797 do_splice_direct+0x164/0x210 fs/splice.c:1061 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 splice_from_pipe fs/splice.c:661 [inline] default_file_splice_write+0xc5/0x150 fs/splice.c:809 do_sendfile+0x47f/0xb30 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xff/0x110 fs/read_write.c:1488 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1018 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 do_splice_direct+0x164/0x210 fs/splice.c:1061 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fe54138b099 RSP: 002b:00007fe5413372f8 EFLAGS: 00000246 do_sendfile+0x47f/0xb30 fs/read_write.c:1441 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fe54140f6e0 RCX: 00007fe54138b099 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007fe5413dccb0 R08: 0000000000000000 R09: 0000000000000000 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xff/0x110 fs/read_write.c:1488 R10: 0000000001000fc4 R11: 0000000000000246 R12: 00007fe5413dc0c0 R13: 0000000020000cc0 R14: 0030656c69662f2e R15: 00007fe54140f6e8 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fe54138b099 RSP: 002b:00007fe5413372f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fe54140f6e0 RCX: 00007fe54138b099 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007fe5413dccb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000fc4 R11: 0000000000000246 R12: 00007fe5413dc0c0 R13: 0000000020000cc0 R14: 0030656c69662f2e R15: 00007fe54140f6e8 Code: 74 30 e8 35 0b 20 ff 49 81 c7 d8 00 00 00 e8 29 0b 20 ff 48 8b 54 24 18 4c 29 fa 48 39 54 24 20 0f 84 0a fd ff ff e8 11 0b 20 ff <0f> 0b e9 fe fc ff ff e8 05 0b 20 ff 49 81 c7 b0 00 00 00 eb ce ---[ end trace d8d0ab34d3969765 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..