------------[ cut here ]------------ kernel BUG at fs/jbd2/transaction.c:1182! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 20183 Comm: syz-executor.3 Not tainted 5.4.249-syzkaller-00007-gba2c000ce64e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:jbd2_journal_get_create_access+0x488/0x490 fs/jbd2/transaction.c:1179 Code: fe ff ff 48 89 ef e8 b7 fa bb ff e9 e8 fe ff ff e8 0d 3a 8c ff 0f 0b e8 06 3a 8c ff 0f 0b e8 ff 39 8c ff 0f 0b e8 f8 39 8c ff <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 54 53 49 89 fc e8 e0 39 RSP: 0018:ffff8881e34f7470 EFLAGS: 00010287 RAX: ffffffff81d7fc18 RBX: ffff8881a689fb40 RCX: 0000000000040000 RDX: ffffc90001261000 RSI: 0000000000008210 RDI: 0000000000008211 RBP: 0000000000000003 R08: ffffffff81d7f926 R09: ffffed1036f42d51 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881ed8a4a50 R14: ffff8881b7a16a80 R15: ffff8881b7a755c0 FS: 00007f882961c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c123000 CR3: 0000000180ca6000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_journal_get_create_access+0x96/0x310 fs/ext4/ext4_jbd2.c:250 ext4_ext_grow_indepth fs/ext4/extents.c:1359 [inline] ext4_ext_create_new_leaf fs/ext4/extents.c:1453 [inline] ext4_ext_insert_extent+0xf5c/0x42c0 fs/ext4/extents.c:2133 ext4_ext_map_blocks+0x2163/0x7450 fs/ext4/extents.c:4537 ext4_map_blocks+0xa83/0x1c40 fs/ext4/inode.c:661 ext4_alloc_file_blocks+0x3b1/0xc20 fs/ext4/extents.c:4700 ext4_zero_range+0x640/0xd80 fs/ext4/extents.c:4815 vfs_fallocate+0x551/0x6b0 fs/open.c:309 ksys_fallocate fs/open.c:332 [inline] __do_sys_fallocate fs/open.c:340 [inline] __se_sys_fallocate fs/open.c:338 [inline] __x64_sys_fallocate+0xb9/0x100 fs/open.c:338 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Modules linked in: ---[ end trace 669590931fb82a05 ]--- RIP: 0010:jbd2_journal_get_create_access+0x488/0x490 fs/jbd2/transaction.c:1179 Code: fe ff ff 48 89 ef e8 b7 fa bb ff e9 e8 fe ff ff e8 0d 3a 8c ff 0f 0b e8 06 3a 8c ff 0f 0b e8 ff 39 8c ff 0f 0b e8 f8 39 8c ff <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 54 53 49 89 fc e8 e0 39 RSP: 0018:ffff8881e34f7470 EFLAGS: 00010287 RAX: ffffffff81d7fc18 RBX: ffff8881a689fb40 RCX: 0000000000040000 RDX: ffffc90001261000 RSI: 0000000000008210 RDI: 0000000000008211 RBP: 0000000000000003 R08: ffffffff81d7f926 R09: ffffed1036f42d51 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881ed8a4a50 R14: ffff8881b7a16a80 R15: ffff8881b7a755c0 FS: 00007f882961c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c123000 CR3: 0000000180ca6000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400