INFO: task kworker/u4:14:11224 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-12053-g744a759492b5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:14 state:D stack:20200 pid:11224 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-7:2)
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
io_schedule+0x8c/0x100 kernel/sched/core.c:9026
folio_wait_bit_common+0x871/0x12a0 mm/filemap.c:1301
folio_lock include/linux/pagemap.h:1042 [inline]
write_cache_pages+0x517/0x13f0 mm/page-writeback.c:2441
iomap_writepages+0x68/0x240 fs/iomap/buffered-io.c:1979
gfs2_writepages+0x189/0x250 fs/gfs2/aops.c:191
do_writepages+0x3a6/0x670 mm/page-writeback.c:2553
__writeback_single_inode+0x155/0xfa0 fs/fs-writeback.c:1603
writeback_sb_inodes+0x8e3/0x11d0 fs/fs-writeback.c:1894
__writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:1965
wb_writeback+0x461/0xc60 fs/fs-writeback.c:2072
wb_check_background_flush fs/fs-writeback.c:2142 [inline]
wb_do_writeback fs/fs-writeback.c:2230 [inline]
wb_workfn+0xc6f/0xff0 fs/fs-writeback.c:2257
process_one_work+0x781/0x1130 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0xabf/0x1060 kernel/workqueue.c:2784
kthread+0x2b8/0x350 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
INFO: task syz-executor.2:716 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-12053-g744a759492b5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:25840 pid:716 ppid:5062 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
io_schedule+0x8c/0x100 kernel/sched/core.c:9026
folio_wait_bit_common+0x871/0x12a0 mm/filemap.c:1301
folio_lock include/linux/pagemap.h:1042 [inline]
write_cache_pages+0x517/0x13f0 mm/page-writeback.c:2441
iomap_writepages+0x68/0x240 fs/iomap/buffered-io.c:1979
gfs2_writepages+0x189/0x250 fs/gfs2/aops.c:191
do_writepages+0x3a6/0x670 mm/page-writeback.c:2553
filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:390
__filemap_fdatawrite_range mm/filemap.c:423 [inline]
__filemap_fdatawrite mm/filemap.c:429 [inline]
filemap_fdatawrite+0x143/0x1b0 mm/filemap.c:434
gfs2_ordered_write fs/gfs2/log.c:740 [inline]
gfs2_log_flush+0xa42/0x25f0 fs/gfs2/log.c:1098
gfs2_trans_end+0x39f/0x560 fs/gfs2/trans.c:158
gfs2_page_mkwrite+0x1262/0x14f0 fs/gfs2/file.c:533
do_page_mkwrite+0x197/0x470 mm/memory.c:2931
do_shared_fault mm/memory.c:4647 [inline]
do_fault mm/memory.c:4709 [inline]
do_pte_missing mm/memory.c:3669 [inline]
handle_pte_fault mm/memory.c:4978 [inline]
__handle_mm_fault mm/memory.c:5119 [inline]
handle_mm_fault+0x22b2/0x6200 mm/memory.c:5284
do_user_addr_fault arch/x86/mm/fault.c:1413 [inline]
handle_page_fault arch/x86/mm/fault.c:1505 [inline]
exc_page_fault+0x2ac/0x860 arch/x86/mm/fault.c:1561
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7efef145db6b
RSP: 002b:00007ffcc7ca3b78 EFLAGS: 00010202
RAX: 0000000020000400 RBX: 00007ffcc7ca3c88 RCX: 0000000000737562
RDX: 0000000000000006 RSI: 0000000075622f2e RDI: 0000000020000400
RBP: 0000000000000048 R08: 00007efef1400000 R09: 00007efef159bf8c
R10: 0000001b2f760000 R11: 0000000000000246 R12: 00007efef10455b0
R13: fffffffffffffffe R14: 00007efef1000000 R15: 00007efef10455b8
INFO: task syz-executor.2:717 blocked for more than 144 seconds.
Not tainted 6.5.0-syzkaller-12053-g744a759492b5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24976 pid:717 ppid:5062 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
bit_wait+0x12/0xc0 kernel/sched/wait_bit.c:199
__wait_on_bit kernel/sched/wait_bit.c:49 [inline]
out_of_line_wait_on_bit+0x251/0x3a0 kernel/sched/wait_bit.c:64
wait_on_bit include/linux/wait_bit.h:76 [inline]
gfs2_glock_wait+0xc7/0x2b0 fs/gfs2/glock.c:1337
gfs2_fault+0x11f/0x1e0 fs/gfs2/file.c:559
__do_fault+0x133/0x4e0 mm/memory.c:4204
do_read_fault mm/memory.c:4568 [inline]
do_fault mm/memory.c:4705 [inline]
do_pte_missing mm/memory.c:3669 [inline]
handle_pte_fault mm/memory.c:4978 [inline]
__handle_mm_fault mm/memory.c:5119 [inline]
handle_mm_fault+0x48d2/0x6200 mm/memory.c:5284
do_user_addr_fault arch/x86/mm/fault.c:1413 [inline]
handle_page_fault arch/x86/mm/fault.c:1505 [inline]
exc_page_fault+0x2ac/0x860 arch/x86/mm/fault.c:1561
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
RIP: 0010:strncpy_from_user+0x111/0x2e0 lib/strncpy_from_user.c:139
Code: 00 00 00 4c 89 e6 e8 1e c8 19 fd 49 83 fc 07 0f 86 9a 00 00 00 48 89 6c 24 08 48 c7 44 24 10 f8 ff ff ff 45 31 ed 4c 89 3c 24 <4f> 8b 3c 2f 48 b8 ff fe fe fe fe fe fe fe 49 8d 1c 07 4c 89 fd 48
RSP: 0018:ffffc9000651fcd8 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888021c75940
RDX: 0000000000000000 RSI: 0000000000000fe0 RDI: 0000000000000007
RBP: 0000000000000fe0 R08: ffffffff8473d552 R09: 1ffffd400019b780
R10: dffffc0000000000 R11: fffff9400019b781 R12: 0000000000000fe0
R13: 0000000000000000 R14: ffff8880336f2220 R15: 0000000020000340
getname_flags+0xf9/0x4e0 fs/namei.c:151
do_sys_openat2+0xd2/0x1d0 fs/open.c:1416
do_sys_open fs/open.c:1437 [inline]
__do_sys_creat fs/open.c:1513 [inline]
__se_sys_creat fs/open.c:1507 [inline]
__x64_sys_creat+0x123/0x160 fs/open.c:1507
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efef147cae9
RSP: 002b:00007efef222c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007efef159bf80 RCX: 00007efef147cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000340
RBP: 00007efef14c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007efef159bf80 R15: 00007ffcc7ca3a98
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12053-g744a759492b5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xdf5/0xe40 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5121 Comm: kworker/0:4 Not tainted 6.5.0-syzkaller-12053-g744a759492b5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
RIP: 0010:__might_resched+0x5/0x780 kernel/sched/core.c:10142
Code: 0b eb cf 89 d9 80 e1 07 80 c1 03 38 c1 7c 8e 48 89 df e8 1e 5a 85 00 eb 84 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00
RSP: 0018:ffffc90004f5fbf8 EFLAGS: 00000246
RAX: ffffffff85d3856a RBX: 00000000000015ad RCX: ffff88807e0a1dc0
RDX: 0000000000000000 RSI: 000000000000004e RDI: ffffffff8b8d5860
RBP: ffffc90004f5fdd0 R08: ffffffff8dd15603 R09: 1ffffffff1ba2ac0
R10: dffffc0000000000 R11: fffffbfff1ba2ac1 R12: 0000000000000000
R13: dffffc0000000000 R14: 00000128c95280fb R15: ffffffff8dd15720
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555571eb938 CR3: 000000000d130000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
wg_ratelimiter_gc_entries+0x3cd/0x470 drivers/net/wireguard/ratelimiter.c:78
process_one_work+0x781/0x1130 kernel/workqueue.c:2630
process_scheduled_works kernel/workqueue.c:2703 [inline]
worker_thread+0xabf/0x1060 kernel/workqueue.c:2784
kthread+0x2b8/0x350 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304