------------[ cut here ]------------ kernel BUG at fs/buffer.c:2028! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 32293 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:iomap_to_bh fs/buffer.c:2028 [inline] RIP: 0010:__block_write_begin_int+0x11c1/0x1470 fs/buffer.c:2111 Code: df e8 43 d5 de ff f0 80 0b 20 e9 2f f2 ff ff e8 a5 d1 89 ff 31 d2 31 f6 48 89 df e8 19 57 ff ff e9 83 f6 ff ff e8 8f d1 89 ff <0f> 0b e8 88 d1 89 ff 0f 0b e8 81 d1 89 ff 0f 0b e8 7a d1 89 ff 0f RSP: 0018:ffffc900037ef840 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88808b201d98 RCX: 0000000000000000 RDX: ffff8880389f00c0 RSI: ffffffff81fcfeb1 RDI: 0000000000000006 RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000050000 R10: 0000000000040000 R11: dffffc0000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000050000 R15: 0000000000000400 FS: 00007f97687ef6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002005b280 CR3: 0000000029493000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iomap_write_begin+0x5be/0x17b0 fs/iomap/buffered-io.c:772 iomap_write_iter fs/iomap/buffered-io.c:907 [inline] iomap_file_buffered_write+0x3d6/0x9a0 fs/iomap/buffered-io.c:968 blkdev_buffered_write block/fops.c:634 [inline] blkdev_write_iter+0x4f5/0xc90 block/fops.c:684 call_write_iter include/linux/fs.h:1985 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x650/0xe40 fs/read_write.c:584 ksys_write+0x12f/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9767a7cae9 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:00007f97687ef0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f9767b9c120 RCX: 00007f9767a7cae9 RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 00007f9767ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9767b9c120 R15: 00007ffe3ebfbba8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iomap_to_bh fs/buffer.c:2028 [inline] RIP: 0010:__block_write_begin_int+0x11c1/0x1470 fs/buffer.c:2111 Code: df e8 43 d5 de ff f0 80 0b 20 e9 2f f2 ff ff e8 a5 d1 89 ff 31 d2 31 f6 48 89 df e8 19 57 ff ff e9 83 f6 ff ff e8 8f d1 89 ff <0f> 0b e8 88 d1 89 ff 0f 0b e8 81 d1 89 ff 0f 0b e8 7a d1 89 ff 0f RSP: 0018:ffffc900037ef840 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88808b201d98 RCX: 0000000000000000 RDX: ffff8880389f00c0 RSI: ffffffff81fcfeb1 RDI: 0000000000000006 RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000050000 R10: 0000000000040000 R11: dffffc0000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000050000 R15: 0000000000000400 FS: 00007f97687ef6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4cb370652e CR3: 0000000029493000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400