sysv_count_free_blocks: cannot read free-list block
sysv_count_free_inodes: unable to read inode table
Process accounting resumed
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 10815, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by syz-executor.4/10815:
 #0: ffff8880187a9100 (&acct->lock#3){+.+.}-{3:3}, at: acct_get kernel/acct.c:180 [inline]
 #0: ffff8880187a9100 (&acct->lock#3){+.+.}-{3:3}, at: slow_acct_process kernel/acct.c:596 [inline]
 #0: ffff8880187a9100 (&acct->lock#3){+.+.}-{3:3}, at: acct_process+0x201/0x590 kernel/acct.c:622
 #1: ffff8880889a6410 (sb_writers#21){.+.+}-{0:0}, at: slow_acct_process kernel/acct.c:598 [inline]
 #1: ffff8880889a6410 (sb_writers#21){.+.+}-{0:0}, at: acct_process+0x4b2/0x590 kernel/acct.c:622
 #2: ffff888084ea6c18 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff888084ea6c18 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: generic_file_write_iter+0x92/0x350 mm/filemap.c:4087
 #3: ffffffff8cfbff78 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 10815 Comm: syz-executor.4 Not tainted 6.6.0-rc2-syzkaller-00386-g3aba70aed91f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 __block_write_begin_int+0x3c0/0x14d0 fs/buffer.c:2111
 __block_write_begin fs/buffer.c:2160 [inline]
 block_write_begin+0xb1/0x490 fs/buffer.c:2219
 sysv_write_begin+0x31/0xd0 fs/sysv/itree.c:490
 generic_perform_write+0x278/0x600 mm/filemap.c:3969
 __generic_file_write_iter+0x1f9/0x240 mm/filemap.c:4064
 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4090
 __kernel_write_iter+0x261/0x7e0 fs/read_write.c:517
 __kernel_write+0xf6/0x140 fs/read_write.c:537
 do_acct_process+0xd1a/0x1530 kernel/acct.c:540
 slow_acct_process kernel/acct.c:598 [inline]
 acct_process+0x4b2/0x590 kernel/acct.c:622
 do_exit+0x14dc/0x2a20 kernel/exit.c:864
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 get_signal+0x23ba/0x2790 kernel/signal.c:2892
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbff407cae9
Code: Unable to access opcode bytes at 0x7fbff407cabf.
RSP: 002b:00007fbff4e6e178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fbff419bf88 RCX: 00007fbff407cae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbff419bf88
RBP: 00007fbff419bf80 R08: 00007fbff4e6e6c0 R09: 00007fbff4e6e6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbff419bf8c
R13: 000000000000000b R14: 00007ffd2906e7e0 R15: 00007ffd2906e8c8
 </TASK>