syz-executor393[289]: segfault at 7fffdafa9d58 ip 00007ffa4060d0a8 sp 00007fffdafa9d60 error 7 in syz-executor3935023343[7ffa405dd000+7b000] likely on CPU 0 (core 0, socket 0)
Code: 84 e4 74 66 e8 89 04 00 00 41 89 c4 85 c0 0f 84 4e 01 00 00 49 c7 c5 b8 ff ff ff 64 45 8b 75 00 48 89 da 89 ee bf 02 00 00 00 <e8> 93 09 00 00 45 85 e4 79 05 64 45 89 75 00 48 8b 84 24 c8 00 00
BUG: scheduling while atomic: syz-executor393/289/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff81f376c6>] spin_lock include/linux/spinlock.h:350 [inline]
[<ffffffff81f376c6>] ext4_do_update_inode fs/ext4/inode.c:5192 [inline]
[<ffffffff81f376c6>] ext4_mark_iloc_dirty+0x1d6/0x1970 fs/ext4/inode.c:5841
CPU: 0 PID: 289 Comm: syz-executor393 Not tainted 6.1.75-syzkaller-00023-gb76ed1185975 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x1b lib/dump_stack.c:113
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5960
 schedule_debug kernel/sched/core.c:5987 [inline]
 __schedule+0xcf7/0x1550 kernel/sched/core.c:6622
 schedule+0xc3/0x180 kernel/sched/core.c:6805
 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310
 irqentry_exit+0x12/0x40 kernel/entry/common.c:413
 exc_page_fault+0x4f3/0x700 arch/x86/mm/fault.c:1565
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7ffa4060d0a8
Code: 84 e4 74 66 e8 89 04 00 00 41 89 c4 85 c0 0f 84 4e 01 00 00 49 c7 c5 b8 ff ff ff 64 45 8b 75 00 48 89 da 89 ee bf 02 00 00 00 <e8> 93 09 00 00 45 85 e4 79 05 64 45 89 75 00 48 8b 84 24 c8 00 00
RSP: 002b:00007fffdafa9d60 EFLAGS: 00010206
RAX: 0000000000000428 RBX: 0000000000000000 RCX: 00007ffa4060d533
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fffdafa9bf5
R10: 000055555660a650 R11: 0000000000000246 R12: 0000000000000428
R13: ffffffffffffffb8 R14: 0000000000000016 R15: 0000000000000098
 </TASK>
----------------
Code disassembly (best guess):
   0:	84 e4                	test   %ah,%ah
   2:	74 66                	je     0x6a
   4:	e8 89 04 00 00       	call   0x492
   9:	41 89 c4             	mov    %eax,%r12d
   c:	85 c0                	test   %eax,%eax
   e:	0f 84 4e 01 00 00    	je     0x162
  14:	49 c7 c5 b8 ff ff ff 	mov    $0xffffffffffffffb8,%r13
  1b:	64 45 8b 75 00       	mov    %fs:0x0(%r13),%r14d
  20:	48 89 da             	mov    %rbx,%rdx
  23:	89 ee                	mov    %ebp,%esi
  25:	bf 02 00 00 00       	mov    $0x2,%edi
* 2a:	e8 93 09 00 00       	call   0x9c2 <-- trapping instruction
  2f:	45 85 e4             	test   %r12d,%r12d
  32:	79 05                	jns    0x39
  34:	64 45 89 75 00       	mov    %r14d,%fs:0x0(%r13)
  39:	48                   	rex.W
  3a:	8b                   	.byte 0x8b
  3b:	84 24 c8             	test   %ah,(%rax,%rcx,8)