INFO: task syz-executor.2:12231 blocked for more than 143 seconds. Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29208 pid:12231 ppid:3640 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106 f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882 f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656 sync_fs_one_sb fs/sync.c:84 [inline] sync_fs_one_sb+0x107/0x140 fs/sync.c:80 iterate_supers+0x13c/0x290 fs/super.c:723 ksys_sync+0xa8/0x150 fs/sync.c:104 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6aca88b5a9 RSP: 002b:00007f6ac9bff168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f6aca9ac050 RCX: 00007f6aca88b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f6aca8e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffde078755f R14: 00007f6ac9bff300 R15: 0000000000022000 INFO: task syz-executor.3:12226 blocked for more than 143 seconds. Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29208 pid:12226 ppid:3639 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106 f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882 f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656 sync_fs_one_sb fs/sync.c:84 [inline] sync_fs_one_sb+0x107/0x140 fs/sync.c:80 iterate_supers+0x13c/0x290 fs/super.c:723 ksys_sync+0xa8/0x150 fs/sync.c:104 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8b75e8b5a9 RSP: 002b:00007f8b76c40168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f8b75fabf80 RCX: 00007f8b75e8b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f8b75ee67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0f38a42f R14: 00007f8b76c40300 R15: 0000000000022000 INFO: task syz-executor.3:12250 blocked for more than 144 seconds. Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28864 pid:12250 ppid:3639 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106 f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882 f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656 sync_fs_one_sb fs/sync.c:84 [inline] sync_fs_one_sb+0x107/0x140 fs/sync.c:80 iterate_supers+0x13c/0x290 fs/super.c:723 ksys_sync+0xa8/0x150 fs/sync.c:104 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8b75e8b5a9 RSP: 002b:00007f8b76bfe168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f8b75fac120 RCX: 00007f8b75e8b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f8b75ee67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0f38a42f R14: 00007f8b76bfe300 R15: 0000000000022000 INFO: task syz-executor.1:12228 blocked for more than 146 seconds. Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:29208 pid:12228 ppid:3761 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106 f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882 f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656 sync_fs_one_sb fs/sync.c:84 [inline] sync_fs_one_sb+0x107/0x140 fs/sync.c:80 iterate_supers+0x13c/0x290 fs/super.c:723 ksys_sync+0xa8/0x150 fs/sync.c:104 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff25808b5a9 RSP: 002b:00007ff258e30168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007ff2581ac050 RCX: 00007ff25808b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ff2580e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffefb38623f R14: 00007ff258e30300 R15: 0000000000022000 INFO: task syz-executor.4:12240 blocked for more than 147 seconds. Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28864 pid:12240 ppid:3641 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106 f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882 f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656 sync_fs_one_sb fs/sync.c:84 [inline] sync_fs_one_sb+0x107/0x140 fs/sync.c:80 iterate_supers+0x13c/0x290 fs/super.c:723 ksys_sync+0xa8/0x150 fs/sync.c:104 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f632dc8b5a9 RSP: 002b:00007f632e967168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f632ddac050 RCX: 00007f632dc8b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f632dce67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff31b41b1f R14: 00007f632e967300 R15: 0000000000022000 INFO: task syz-executor.4:12241 blocked for more than 148 seconds. Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28848 pid:12241 ppid:3641 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ca/0x5c0 kernel/sched/completion.c:106 f2fs_issue_checkpoint+0x358/0x460 fs/f2fs/checkpoint.c:1882 f2fs_sync_fs+0x240/0x4c0 fs/f2fs/super.c:1656 sync_fs_one_sb fs/sync.c:84 [inline] sync_fs_one_sb+0x107/0x140 fs/sync.c:80 iterate_supers+0x13c/0x290 fs/super.c:723 ksys_sync+0xa8/0x150 fs/sync.c:104 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f632dc8b5a9 RSP: 002b:00007f632e946168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f632ddac120 RCX: 00007f632dc8b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f632dce67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff31b41b1f R14: 00007f632e946300 R15: 0000000000022000 INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x32f/0x3c0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xc71/0xfc0 kernel/hung_task.c:377 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5115 Comm: kworker/u4:9 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Workqueue: phy3 ieee80211_iface_work RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60 kernel/kcov.c:207 Code: 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 8c 15 00 00 85 c0 74 2b 8b 82 68 15 00 00 <83> f8 02 75 20 48 8b 8a 70 15 00 00 8b 92 6c 15 00 00 48 8b 01 48 RSP: 0018:ffffc90011f879d8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000014 RCX: 0000000000000000 RDX: ffff88807b161d40 RSI: ffffffff88dcb992 RDI: 0000000000000004 RBP: 000000000000000c R08: 0000000000000004 R09: 0000000000000168 R10: 0000000000000014 R11: 000000000008c07e R12: 0000000000000009 R13: 0000000000000009 R14: 0000000000000168 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3358cd7a98 CR3: 0000000078fe5000 CR4: 0000000000350ef0 Call Trace: ieee80211_sta_get_rates+0x462/0x960 net/mac80211/util.c:2197 ieee80211_update_sta_info net/mac80211/ibss.c:1003 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1118 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline] ieee80211_ibss_rx_queued_mgmt+0x11c4/0x3190 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1630 [inline] ieee80211_iface_work+0xa47/0xd30 net/mac80211/iface.c:1684 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306