INFO: task syz.1.149:7434 blocked for more than 143 seconds.
      Not tainted 6.13.0-rc7-syzkaller-00039-gc3812b15000c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.149       state:D stack:27800 pid:7434  tgid:7428  ppid:7107   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
 __down_read_common kernel/locking/rwsem.c:1248 [inline]
 __down_read kernel/locking/rwsem.c:1261 [inline]
 down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
 filemap_invalidate_lock_shared include/linux/fs.h:873 [inline]
 page_cache_ra_unbounded+0x142/0x720 mm/readahead.c:226
 page_cache_sync_readahead include/linux/pagemap.h:1397 [inline]
 filemap_get_pages+0x605/0x2080 mm/filemap.c:2537
 filemap_read+0x452/0xf50 mm/filemap.c:2637
 blkdev_read_iter+0x2d8/0x430 block/fops.c:770
 do_iter_readv_writev+0x600/0x880
 vfs_readv+0x2b3/0xa80 fs/read_write.c:1011
 do_preadv fs/read_write.c:1125 [inline]
 __do_sys_preadv2 fs/read_write.c:1184 [inline]
 __se_sys_preadv2+0x196/0x2b0 fs/read_write.c:1175
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89f8185d29
RSP: 002b:00007f89f5fd5038 EFLAGS: 00000246
 ORIG_RAX: 0000000000000147
RAX: ffffffffffffffda RBX: 00007f89f8376080 RCX: 00007f89f8185d29
RDX: 0000000000000003 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 00007f89f8201b08 R08: 000000000000007f R09: 0000000000000010
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f89f8376080 R15: 00007fffd657e128
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-00039-gc3812b15000c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
 watchdog+0xff6/0x1040 kernel/hung_task.c:397
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted 6.13.0-rc7-syzkaller-00039-gc3812b15000c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue:  0x0 (bat_events)
RIP: 0010:check_kcov_mode kernel/kcov.c:194 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x70 kernel/kcov.c:217
Code: 80 d4 03 00 65 8b 15 50 62 64 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 <83> fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc
RSP: 0018:ffffc90000ab7d68 EFLAGS: 00000046
RAX: ffffffff8168e4ee RBX: ffff88801aca0068 RCX: ffff888020afbc00
RDX: 0000000000000000 RSI: ffff88801d6a6d40 RDI: ffff88807d7e17e8
RBP: ffff88807d7e17e8 R08: ffffffff8168e2cb R09: 1ffff11029927571
R10: dffffc0000000000 R11: ffffed1029927572 R12: ffff88801d6a6d48
R13: dffffc0000000000 R14: ffff88801d6a6d40 R15: ffff88801aca0060
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe85c6eff8 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __list_add include/linux/list.h:153 [inline]
 list_add_tail include/linux/list.h:183 [inline]
 list_move_tail include/linux/list.h:311 [inline]
 move_linked_works kernel/workqueue.c:1147 [inline]
 assign_work+0x28e/0x3d0 kernel/workqueue.c:1199
 worker_thread+0x85f/0xd30 kernel/workqueue.c:3397
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>