------------[ cut here ]------------ kernel BUG at fs/buffer.c:2028! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5408 Comm: syz-executor126 Not tainted 6.6.0-rc1-syzkaller-00196-g57d88e8a5974 #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+0x18f7/0x1a40 fs/buffer.c:2111 Code: 1f 07 85 ff 48 8b 7c 24 08 48 c7 c6 e0 21 18 8b e8 fe 89 c6 ff 0f 0b e8 07 07 85 ff eb 13 e8 00 07 85 ff eb c7 e8 f9 06 85 ff <0f> 0b e8 f2 06 85 ff 48 8b 7c 24 08 48 c7 c6 e0 21 18 8b e8 d1 89 RSP: 0018:ffffc90004c9f520 EFLAGS: 00010293 RAX: ffffffff82089ca7 RBX: 0000000000040000 RCX: ffff88801dad5940 RDX: 0000000000000000 RSI: 0000000000040000 RDI: 00000000000dc000 RBP: ffffc90004c9f6b0 R08: ffffffff82088d12 R09: 1ffff1100ebfdd22 R10: dffffc0000000000 R11: ffffed100ebfdd23 R12: 00000000000dc000 R13: 0000000000000400 R14: 0000000000000000 R15: ffff888075fee910 FS: 00007f6a68d1b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020042000 CR3: 0000000027861000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iomap_write_begin+0xaf6/0x1f00 fs/iomap/buffered-io.c:772 iomap_write_iter fs/iomap/buffered-io.c:907 [inline] iomap_file_buffered_write+0x587/0x1020 fs/iomap/buffered-io.c:968 blkdev_buffered_write block/fops.c:634 [inline] blkdev_write_iter+0x3f5/0x5b0 block/fops.c:684 call_write_iter include/linux/fs.h:1985 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x782/0xaf0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6a68d7fb19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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:00007f6a68d1b218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f6a68e086d8 RCX: 00007f6a68d7fb19 RDX: 000000000156a396 RSI: 0000000020002a40 RDI: 0000000000000003 RBP: 00007f6a68e086d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a68dd46d0 R13: 00007f6a68dd40c0 R14: 0031656c69662f2e R15: 6f6f6c2f7665642f Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iomap_to_bh fs/buffer.c:2028 [inline] RIP: 0010:__block_write_begin_int+0x18f7/0x1a40 fs/buffer.c:2111 Code: 1f 07 85 ff 48 8b 7c 24 08 48 c7 c6 e0 21 18 8b e8 fe 89 c6 ff 0f 0b e8 07 07 85 ff eb 13 e8 00 07 85 ff eb c7 e8 f9 06 85 ff <0f> 0b e8 f2 06 85 ff 48 8b 7c 24 08 48 c7 c6 e0 21 18 8b e8 d1 89 RSP: 0018:ffffc90004c9f520 EFLAGS: 00010293 RAX: ffffffff82089ca7 RBX: 0000000000040000 RCX: ffff88801dad5940 RDX: 0000000000000000 RSI: 0000000000040000 RDI: 00000000000dc000 RBP: ffffc90004c9f6b0 R08: ffffffff82088d12 R09: 1ffff1100ebfdd22 R10: dffffc0000000000 R11: ffffed100ebfdd23 R12: 00000000000dc000 R13: 0000000000000400 R14: 0000000000000000 R15: ffff888075fee910 FS: 00007f6a68d1b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020042000 CR3: 0000000027861000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400