kernel BUG at fs/ext4/ext4_jbd2.c:53! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 381 Comm: syz-executor.5 Not tainted 5.15.184-syzkaller-1080580-g4032a894ccb2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x192/0x1a0 fs/ext4/ext4_jbd2.c:116 Code: c3 e8 f2 4d 97 ff e9 f7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 14 ff ff ff e8 48 bf d5 ff e9 0a ff ff ff e8 ce 4d 97 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90001077098 EFLAGS: 00010293 RAX: ffffffff81d15712 RBX: 0000000000000000 RCX: ffff888111eae2c0 RDX: 0000000000000000 RSI: 000000000000033a RDI: ffffffff85de3e19 RBP: ffffc900010770d0 R08: dffffc0000000000 R09: ffffed1024086db1 R10: ffffed1024086db1 R11: 1ffff11024086db0 R12: 1ffff110240d5e16 R13: ffff8881206af0b0 R14: 000000000000033a R15: ffffffff85de3e19 FS: 00007fa1ea72e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000141 CR3: 0000000127afd000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0xa0e/0xdd0 fs/ext4/inline.c:826 ext4_da_write_end+0x1d8/0x9e0 fs/ext4/inode.c:3092 generic_perform_write+0x34c/0x670 mm/filemap.c:3868 ext4_buffered_write_iter+0x4ed/0x670 fs/ext4/file.c:270 ext4_file_write_iter+0x18c/0x14c0 fs/ext4/file.c:664 do_iter_readv_writev+0x491/0x600 fs/read_write.c:-1 do_iter_write+0x1fa/0x7b0 fs/read_write.c:855 vfs_iter_write+0x7d/0xa0 fs/read_write.c:896 iter_file_splice_write+0x650/0xc30 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe9/0x120 fs/splice.c:936 splice_direct_to_actor+0x4cd/0xb30 fs/splice.c:891 do_splice_direct+0x1b3/0x2c0 fs/splice.c:979 do_sendfile+0x5c6/0xeb0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64 fs/read_write.c:1303 [inline] __x64_sys_sendfile64+0x18f/0x1f0 fs/read_write.c:1303 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fa1f2ecc959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa1ea72e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fa1f2fec050 RCX: 00007fa1f2ecc959 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007fa1f2f28c88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fa1f2fec050 R15: 00007ffca45f0408 Modules linked in: ---[ end trace 908004667abc9fab ]--- RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x192/0x1a0 fs/ext4/ext4_jbd2.c:116 Code: c3 e8 f2 4d 97 ff e9 f7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 14 ff ff ff e8 48 bf d5 ff e9 0a ff ff ff e8 ce 4d 97 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56 RSP: 0018:ffffc90001077098 EFLAGS: 00010293 RAX: ffffffff81d15712 RBX: 0000000000000000 RCX: ffff888111eae2c0 RDX: 0000000000000000 RSI: 000000000000033a RDI: ffffffff85de3e19 RBP: ffffc900010770d0 R08: dffffc0000000000 R09: ffffed1024086db1 R10: ffffed1024086db1 R11: 1ffff11024086db0 R12: 1ffff110240d5e16 R13: ffff8881206af0b0 R14: 000000000000033a R15: ffffffff85de3e19 FS: 00007fa1ea72e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f90d8ea7000 CR3: 0000000127afd000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400