Code: fe 28 7f 27 62 e1 fe 28 7f 6f 01 62 e1 fe 28 7f 77 02 62 e1 fe 28 7f 7f 03 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 e6 04 00 00 <62> e1 fe 28 6f 1e 62 e1 fe 28 6f 56 01 62 b3 7d 20 3f c3 00 c5 fb ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5304 at ./include/linux/backing-dev.h:254 inode_to_wb include/linux/backing-dev.h:251 [inline] WARNING: CPU: 0 PID: 5304 at ./include/linux/backing-dev.h:254 folio_account_dirtied mm/page-writeback.c:2745 [inline] WARNING: CPU: 0 PID: 5304 at ./include/linux/backing-dev.h:254 __folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2797 Modules linked in: CPU: 0 UID: 0 PID: 5304 Comm: syz-executor182 Not tainted 6.14.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:inode_to_wb include/linux/backing-dev.h:251 [inline] RIP: 0010:folio_account_dirtied mm/page-writeback.c:2745 [inline] RIP: 0010:__folio_mark_dirty+0xa3a/0xe80 mm/page-writeback.c:2797 Code: e8 3b 1a c4 ff 4c 89 ef 48 8b 34 24 e8 0f ca 33 00 e9 4a fe ff ff e8 25 1a c4 ff 90 0f 0b 90 e9 08 fe ff ff e8 17 1a c4 ff 90 <0f> 0b 90 e9 00 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c cc f7 RSP: 0018:ffffc9000d0e75e0 EFLAGS: 00010093 RAX: ffffffff81fdc5b9 RBX: 0000000000000000 RCX: ffff888000d12440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880320f4cf8 R08: ffffffff81fdbfb5 R09: 1ffff1100641e99f R10: dffffc0000000000 R11: ffffed100641e9a0 R12: ffff8880320f4b88 R13: ffffea00010e5b80 R14: 0000000000000001 R15: 1ffff1100641e99f FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e938000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_buffer_dirty+0x28e/0x440 fs/buffer.c:1196 gfs2_unpin+0x129/0xa70 fs/gfs2/lops.c:111 buf_lo_after_commit+0x14f/0x1a0 fs/gfs2/lops.c:738 lops_after_commit fs/gfs2/lops.h:51 [inline] gfs2_log_flush+0x118d/0x2610 fs/gfs2/log.c:1115 gfs2_kill_sb+0x5b/0x350 fs/gfs2/ops_fstype.c:1775 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413 task_work_run+0x24f/0x310 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2a/0x28e0 kernel/exit.c:938 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x168c/0x1720 kernel/signal.c:3036 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] irqentry_exit_to_user_mode+0x7e/0x250 kernel/entry/common.c:231 exc_page_fault+0x590/0x8b0 arch/x86/mm/fault.c:1541 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f03d936d39a Code: Unable to access opcode bytes at 0x7f03d936d370. RSP: 002b:00007ffc9a3d5308 EFLAGS: 00010287 RAX: 00007ffc9a3d5330 RBX: 6666666666666667 RCX: 0000000000000000 RDX: 00000000000003ff RSI: 0000000000000000 RDI: 00007ffc9a3d5330 RBP: 00007ffc9a3d5330 R08: 00000000000003ff R09: 000040000006ff40 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f03d93bb1f8 R13: 00007f03d93bb0dc R14: 0000000000000001 R15: 0000000000000001 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 28 7f 27 sub %bh,0x27(%rdi) 3: 62 e1 fe 28 7f 6f 01 vmovdqu64 %ymm21,0x20(%rdi) a: 62 e1 fe 28 7f 77 02 vmovdqu64 %ymm22,0x40(%rdi) 11: 62 e1 fe 28 7f 7f 03 vmovdqu64 %ymm23,0x60(%rdi) 18: 49 83 c0 1f add $0x1f,%r8 1c: 49 29 d0 sub %rdx,%r8 1f: 48 8d 7c 17 61 lea 0x61(%rdi,%rdx,1),%rdi 24: e9 e6 04 00 00 jmp 0x50f * 29: 62 e1 fe 28 6f 1e vmovdqu64 (%rsi),%ymm19 <-- trapping instruction 2f: 62 e1 fe 28 6f 56 01 vmovdqu64 0x20(%rsi),%ymm18 36: 62 b3 7d 20 3f c3 00 vpcmpeqb %ymm19,%ymm16,%k0 3d: c5 .byte 0xc5 3e: fb sti