INFO: task syz.5.6579:29411 blocked in I/O wait for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.6579      state:D stack:25736 pid:29411 tgid:29410 ppid:27020  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 io_schedule+0x8a/0xf0 kernel/sched/core.c:8150
 folio_wait_bit_common+0x414/0xa70 mm/filemap.c:1324
 folio_lock include/linux/pagemap.h:1159 [inline]
 migrate_folio_unmap mm/migrate.c:1250 [inline]
 migrate_pages_batch+0x7a1/0x45c0 mm/migrate.c:1907
 migrate_pages_sync+0x4db/0x880 mm/migrate.c:2051
 migrate_pages+0x1a83/0x2850 mm/migrate.c:2133
 compact_zone+0x243c/0x4420 mm/compaction.c:2669
 compact_node+0x17f/0x2c0 mm/compaction.c:2938
 compact_nodes mm/compaction.c:2960 [inline]
 sysctl_compaction_handler mm/compaction.c:3011 [inline]
 sysctl_compaction_handler+0x141/0x210 mm/compaction.c:2998
 proc_sys_call_handler+0x47f/0x5a0 fs/proc/proc_sysctl.c:600
 iter_file_splice_write+0x830/0x10b0 fs/splice.c:736
 do_splice_from fs/splice.c:936 [inline]
 direct_splice_actor+0x192/0x690 fs/splice.c:1159
 splice_direct_to_actor+0x345/0xa30 fs/splice.c:1103
 do_splice_direct_actor fs/splice.c:1202 [inline]
 do_splice_direct+0x174/0x240 fs/splice.c:1228
 do_sendfile+0xadc/0xe20 fs/read_write.c:1371
 __do_sys_sendfile64 fs/read_write.c:1426 [inline]
 __se_sys_sendfile64 fs/read_write.c:1418 [inline]
 __x64_sys_sendfile64+0x154/0x220 fs/read_write.c:1418
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7f0a99ce59
RSP: 002b:00007f7f0b7ad028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7f0ac15fa0 RCX: 00007f7f0a99ce59
RDX: 00002000000000c0 RSI: 0000000000000003 RDI: 0000000000000004
RBP: 00007f7f0aa32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7f0ac16038 R14: 00007f7f0ac15fa0 R15: 00007ffee5751be8
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 3
CPU: 3 UID: 0 PID: 43 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:122
 nmi_trigger_cpumask_backtrace+0x21c/0x2a0 lib/nmi_backtrace.c:65
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x141/0x190 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xcb1/0x1030 kernel/hung_task.c:561
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 3 to CPUs 0-2:
NMI backtrace for cpu 2
CPU: 2 UID: 0 PID: 61 Comm: kworker/u33:3 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound bpf_map_free_deferred
RIP: 0010:get_current arch/x86/include/asm/current.h:23 [inline]
RIP: 0010:write_comp_data+0x10/0x90 kernel/kcov.c:245
Code: 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 8b 05 59 48 07 12 49 89 f8 49 89 f1 49 89 d2 <65> 48 8b 3d 30 48 07 12 a9 00 01 ff 00 74 1b f6 c4 01 74 07 a9 00
RSP: 0018:ffffc90000aefaa0 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffff888126891108 RCX: ffffffff825f10b2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000000751b R12: ffffc90049600000
R13: ffffffff8238a610 R14: 0000000000000000 R15: ffffc90049421000
FS:  0000000000000000(0000) GS:ffff8880d6516000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd719ea540 CR3: 000000005200b000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 apply_to_pte_range mm/memory.c:3337 [inline]
 apply_to_pmd_range mm/memory.c:3382 [inline]
 apply_to_pud_range mm/memory.c:3418 [inline]
 apply_to_p4d_range mm/memory.c:3454 [inline]
 __apply_to_page_range+0xb02/0x1520 mm/memory.c:3490
 arena_map_free+0xe8/0x1c0 kernel/bpf/arena.c:389
 bpf_map_free kernel/bpf/syscall.c:898 [inline]
 bpf_map_free_deferred+0x23e/0x810 kernel/bpf/syscall.c:925
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 103 Comm: kswapd0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: c6 e3 5e 00 48 89 df 5b e9 ad 77 64 00 be 03 00 00 00 5b e9 52 a4 f6 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 8b 05 05 41 07 12 48 8b 34 24 65 48 8b 15 e1 40 07
RSP: 0018:ffffc90000fc6d88 EFLAGS: 00000282
RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffffffff850a89d2
RDX: 0000000000000040 RSI: 0000000000000000 RDI: ffff888023ecca80
RBP: ffffffff8f3adb8c R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000040 R11: ffff88805d4c0042 R12: 0000000000000000
R13: 0000000000000040 R14: dffffc0000000000 R15: 0000000000000004
FS:  0000000000000000(0000) GS:ffff8880d6416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055608127b000 CR3: 000000003606c000 CR4: 0000000000352ef0
DR0: 0000040000020030 DR1: fffeffffff7fff00 DR2: 0000000000000009
DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 add_template lib/842/842_compress.c:290 [inline]
 process_next lib/842/842_compress.c:460 [inline]
 sw842_compress+0x2bd7/0x4450 lib/842/842_compress.c:545
 crypto_scomp_decompress include/crypto/internal/scompress.h:80 [inline]
 scomp_acomp_comp_decomp+0x732/0xc40 crypto/scompress.c:252
 crypto_acomp_compress+0x14c/0x540 crypto/acompress.c:285
 zswap_compress mm/zswap.c:874 [inline]
 zswap_store_page mm/zswap.c:1410 [inline]
 zswap_store+0xe8d/0x2e70 mm/zswap.c:1521
 swap_writeout+0xde3/0x1db0 mm/page_io.c:285
 writeout mm/vmscan.c:630 [inline]
 pageout mm/vmscan.c:677 [inline]
 shrink_folio_list+0x51c5/0x60a0 mm/vmscan.c:1402
 evict_folios+0x327/0x1960 mm/vmscan.c:4840
 try_to_shrink_lruvec+0x249/0x6b0 mm/vmscan.c:4988
 shrink_one+0x307/0x850 mm/vmscan.c:5029
 shrink_many mm/vmscan.c:5092 [inline]
 lru_gen_shrink_node mm/vmscan.c:5170 [inline]
 shrink_node+0x2721/0x3e90 mm/vmscan.c:6159
 kswapd_shrink_node mm/vmscan.c:7013 [inline]
 balance_pgdat+0xb20/0x1f00 mm/vmscan.c:7191
 kswapd+0x556/0xb50 mm/vmscan.c:7467
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12792 Comm: kworker/u33:46 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound bpf_map_free_deferred
RIP: 0010:apply_to_pte_range mm/memory.c:3337 [inline]
RIP: 0010:apply_to_pmd_range mm/memory.c:3382 [inline]
RIP: 0010:apply_to_pud_range mm/memory.c:3418 [inline]
RIP: 0010:apply_to_p4d_range mm/memory.c:3454 [inline]
RIP: 0010:__apply_to_page_range+0xb02/0x1520 mm/memory.c:3490
Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 08 00 0f 85 1d 08 00 00 48 8b 03 31 ff 48 83 e0 9f 48 89 c5 48 89 c6 e8 0e 49 aa ff <48> 85 ed 74 25 e8 64 4e aa ff 4c 89 fe 48 89 df 48 8b 54 24 08 2e
RSP: 0018:ffffc9000cedfaa8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88813c585df8 RCX: ffffffff825f10b2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888057990000
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000000751b R12: ffffc90165400000
R13: ffffffff8238a610 R14: 0000000000000000 R15: ffffc901653bf000
FS:  0000000000000000(0000) GS:ffff8880d6316000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8ce97ea2f8 CR3: 00000000270f4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000007b
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 arena_map_free+0xe8/0x1c0 kernel/bpf/arena.c:389
 bpf_map_free kernel/bpf/syscall.c:898 [inline]
 bpf_map_free_deferred+0x23e/0x810 kernel/bpf/syscall.c:925
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>