INFO: task kworker/u4:5:78 blocked for more than 143 seconds.
Not tainted 6.7.0-syzkaller-01367-g35f11a3710cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:5 state:D stack:21392 pid:78 tgid:78 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-btrfs-405)
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0x177f/0x4960 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6816
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
find_lock_delalloc_range+0x4b5/0x970 fs/btrfs/extent_io.c:393
writepage_delalloc+0x17f/0x470 fs/btrfs/extent_io.c:1183
__extent_writepage fs/btrfs/extent_io.c:1440 [inline]
extent_write_cache_pages fs/btrfs/extent_io.c:2108 [inline]
extent_writepages+0x1210/0x26a0 fs/btrfs/extent_io.c:2230
do_writepages+0x3a6/0x670 mm/page-writeback.c:2553
__writeback_single_inode+0x155/0xfc0 fs/fs-writeback.c:1625
writeback_sb_inodes+0x8e3/0x1220 fs/fs-writeback.c:1916
__writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:1987
wb_writeback+0x461/0xc70 fs/fs-writeback.c:2094
wb_check_background_flush fs/fs-writeback.c:2164 [inline]
wb_do_writeback fs/fs-writeback.c:2252 [inline]
wb_workfn+0xc33/0xfb0 fs/fs-writeback.c:2279
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2d3/0x370 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:242
INFO: task kworker/u4:9:2884 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller-01367-g35f11a3710cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:9 state:D stack:21480 pid:2884 tgid:2884 ppid:2 flags:0x00004000
Workqueue: btrfs-endio-write btrfs_work_helper
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0x177f/0x4960 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6816
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
btrfs_finish_one_ordered+0x57f/0x1680 fs/btrfs/inode.c:3083
btrfs_work_helper+0x37c/0xbe0 fs/btrfs/async-thread.c:315
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2d3/0x370 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:242
INFO: task syz-executor.5:19357 blocked for more than 144 seconds.
Not tainted 6.7.0-syzkaller-01367-g35f11a3710cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:25936 pid:19357 tgid:19357 ppid:5077 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0x177f/0x4960 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6816
io_schedule+0x8c/0x100 kernel/sched/core.c:9022
folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1273
btrfs_page_mkwrite+0x4a4/0xd10 fs/btrfs/inode.c:8148
do_page_mkwrite+0x197/0x470 mm/memory.c:2966
wp_page_shared mm/memory.c:3353 [inline]
do_wp_page+0x20e3/0x4c80 mm/memory.c:3493
handle_pte_fault mm/memory.c:5160 [inline]
__handle_mm_fault+0x26a3/0x72b0 mm/memory.c:5285
handle_mm_fault+0x27e/0x770 mm/memory.c:5450
do_user_addr_fault arch/x86/mm/fault.c:1364 [inline]
handle_page_fault arch/x86/mm/fault.c:1507 [inline]
exc_page_fault+0x456/0x870 arch/x86/mm/fault.c:1563
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f022d65ddbc
RSP: 002b:00007fff9ad0bb68 EFLAGS: 00010206
RAX: 0000000020000080 RBX: 00007fff9ad0bc78 RCX: 00007f022d200000
RDX: 0000000000000013 RSI: 00007f022d206250 RDI: 0000000020000080
RBP: 0000000000000032 R08: 00007f022d600000 R09: 00007fff9adf50b0
R10: 00007fff9adf5080 R11: 0000000000013f7a R12: 00007f022d206230
R13: fffffffffffffffe R14: 00007f022d200000 R15: 00007f022d206238
INFO: task syz-executor.5:19362 blocked for more than 145 seconds.
Not tainted 6.7.0-syzkaller-01367-g35f11a3710cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:23280 pid:19362 tgid:19357 ppid:5077 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0x177f/0x4960 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6816
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
btrfs_page_mkwrite+0x5bd/0xd10 fs/btrfs/inode.c:8158
do_page_mkwrite+0x197/0x470 mm/memory.c:2966
wp_page_shared mm/memory.c:3353 [inline]
do_wp_page+0x20e3/0x4c80 mm/memory.c:3493
handle_pte_fault mm/memory.c:5160 [inline]
__handle_mm_fault+0x26a3/0x72b0 mm/memory.c:5285
handle_mm_fault+0x27e/0x770 mm/memory.c:5450
do_user_addr_fault arch/x86/mm/fault.c:1415 [inline]
handle_page_fault arch/x86/mm/fault.c:1507 [inline]
exc_page_fault+0x2ad/0x870 arch/x86/mm/fault.c:1563
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:58
Code: 40 83 f9 08 73 21 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb
RSP: 0018:ffffc90015857310 EFLAGS: 00050206
RAX: 0000000000000000 RBX: 0000000020000118 RCX: 0000000000000038
RDX: 0000000000000000 RSI: ffffc900158573c0 RDI: 00000000200000e0
RBP: ffffc90015857478 R08: ffffc900158573f7 R09: 1ffff92002b0ae7e
R10: dffffc0000000000 R11: fffff52002b0ae7f R12: 0000000000000038
R13: ffffc900158573c0 R14: 00000000200000e0 R15: ffffc900158573c0
copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline]
_copy_to_user+0x86/0xa0 lib/usercopy.c:41
copy_to_user include/linux/uaccess.h:191 [inline]
fiemap_fill_next_extent+0x235/0x410 fs/ioctl.c:145
emit_fiemap_extent+0x258/0x410 fs/btrfs/extent_io.c:2477
fiemap_process_hole+0x374/0xaf0 fs/btrfs/extent_io.c:2688
extent_fiemap+0xeae/0x1fe0
btrfs_fiemap+0x178/0x1e0 fs/btrfs/inode.c:7830
ioctl_fiemap fs/ioctl.c:220 [inline]
do_vfs_ioctl+0x19ea/0x2b40 fs/ioctl.c:811
__do_sys_ioctl fs/ioctl.c:869 [inline]
__se_sys_ioctl+0x81/0x170 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f022d67cd29
RSP: 002b:00007f022e44a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f022d7abf80 RCX: 00007f022d67cd29
RDX: 00000000200000c0 RSI: 00000000c020660b RDI: 000000000000000d
RBP: 00007f022d6c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f022d7abf80 R15: 00007fff9ad0ba88
INFO: task syz-executor.5:19427 blocked for more than 146 seconds.
Not tainted 6.7.0-syzkaller-01367-g35f11a3710cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:23728 pid:19427 tgid:19357 ppid:5077 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5399 [inline]
__schedule+0x177f/0x4960 kernel/sched/core.c:6726
__schedule_loop kernel/sched/core.c:6801 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6816
wait_extent_bit fs/btrfs/extent-io-tree.c:799 [inline]
lock_extent+0x69d/0x850 fs/btrfs/extent-io-tree.c:1843
lock_extent_direct fs/btrfs/inode.c:7157 [inline]
btrfs_dio_iomap_begin+0x5af/0x10b0 fs/btrfs/inode.c:7521
iomap_iter+0x677/0xee0 fs/iomap/iter.c:91
__iomap_dio_rw+0xdcf/0x2330 fs/iomap/direct-io.c:658
iomap_dio_rw+0x46/0xa0 fs/iomap/direct-io.c:748
btrfs_dio_read+0xb6/0x100 fs/btrfs/inode.c:7789
btrfs_direct_read fs/btrfs/file.c:3778 [inline]
btrfs_file_read_iter+0x39e/0x6b0 fs/btrfs/file.c:3817
call_read_iter include/linux/fs.h:2079 [inline]
copy_splice_read+0x4c9/0x9c0 fs/splice.c:365
do_splice_read fs/splice.c:984 [inline]
splice_direct_to_actor+0x4b1/0xc80 fs/splice.c:1089
do_splice_direct_actor fs/splice.c:1207 [inline]
do_splice_direct+0x28c/0x3e0 fs/splice.c:1233
do_sendfile+0x56d/0xdb0 fs/read_write.c:1295
__do_sys_sendfile64 fs/read_write.c:1362 [inline]
__se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1348
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f022d67cd29
RSP: 002b:00007f022e4290c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f022d7ac050 RCX: 00007f022d67cd29
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000006
RBP: 00007f022d6c947a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201008 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f022d7ac050 R15: 00007fff9ad0ba88
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-01367-g35f11a3710cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2d3/0x370 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:242
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 48 Comm: kworker/u4:3 Not tainted 6.7.0-syzkaller-01367-g35f11a3710cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x80/0x90 kernel/kcov.c:306
Code: 8d 42 28 4c 39 c8 77 22 89 f8 89 f6 49 ff c2 4c 89 11 48 c7 44 0a 08 05 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 4c 8b
RSP: 0018:ffffc90000b8eda0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90000b88000
RDX: ffff8880137c9dc0 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffff92000171dd2 R08: ffffffff813e0dae R09: ffffffff813e0d07
R10: 0000000000000003 R11: ffff8880137c9dc0 R12: ffffc90000b8ff50
R13: ffffc90000b90000 R14: 1ffff92000171dd1 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555741f938 CR3: 000000000d732000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_stack arch/x86/include/asm/stacktrace.h:58 [inline]
stack_access_ok arch/x86/kernel/unwind_orc.c:393 [inline]
deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
unwind_next_frame+0x109e/0x29e0 arch/x86/kernel/unwind_orc.c:585
arch_stack_walk+0x146/0x1a0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x117/0x1c0 kernel/stacktrace.c:122
kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47
__kasan_record_aux_stack+0xae/0x100 mm/kasan/generic.c:580
kvfree_call_rcu+0xfc/0x790 kernel/rcu/tree.c:3400
cfg80211_update_known_bss+0x16c/0x9e0
__cfg80211_bss_update+0x153/0x20a0 net/wireless/scan.c:1827
cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2905 [inline]
cfg80211_inform_bss_frame_data+0xde1/0x17c0 net/wireless/scan.c:2936
ieee80211_bss_info_update+0x7ca/0xaa0 net/mac80211/scan.c:205
ieee80211_rx_bss_info net/mac80211/ibss.c:1098 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1577 [inline]
ieee80211_ibss_rx_queued_mgmt+0x191d/0x2d30 net/mac80211/ibss.c:1604
ieee80211_iface_process_skb net/mac80211/iface.c:1589 [inline]
ieee80211_iface_work+0x805/0xd90 net/mac80211/iface.c:1643
cfg80211_wiphy_work+0x21e/0x250 net/wireless/core.c:437
process_one_work kernel/workqueue.c:2633 [inline]
process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2706
worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787
kthread+0x2d3/0x370 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:242