INFO: task syz-executor.3:14702 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D24928 14702 8153 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512 __write_data_page+0xab8/0x22d0 fs/f2fs/data.c:1975 f2fs_write_cache_pages+0x96e/0x13e0 fs/f2fs/data.c:2107 f2fs_msg: 2348 callbacks suppressed F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 __f2fs_write_data_pages fs/f2fs/data.c:2217 [inline] f2fs_write_data_pages+0x498/0x1060 fs/f2fs/data.c:2244 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 do_writepages+0xe5/0x290 mm/page-writeback.c:2344 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 F2FS-fs (loop3): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 __filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446 file_write_and_wait_range+0x93/0x100 mm/filemap.c:776 f2fs_do_sync_file+0x2eb/0x2550 fs/f2fs/file.c:228 f2fs_sync_file+0x136/0x190 fs/f2fs/file.c:334 vfs_fsync_range+0x13a/0x220 fs/sync.c:197 generic_write_sync include/linux/fs.h:2750 [inline] f2fs_file_write_iter+0x64b/0xbe0 fs/f2fs/file.c:3044 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe30eb910f9 Code: Bad RIP value. RSP: 002b:00007fe308ce2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe30ecb1050 RCX: 00007fe30eb910f9 RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000009 RBP: 00007fe30ebecae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffda1ae391f R14: 00007fe308ce2300 R15: 0000000000022000 Showing all locks held in the system: 3 locks held by kworker/u4:1/23: 1 lock held by khungtaskd/1570: #0: 00000000a88e9c1d (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by systemd-udevd/4696: 1 lock held by in:imklog/7821: #0: 0000000096cd7495 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. 4 locks held by kworker/u4:5/9243: #0: 00000000b3e3b80d ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000000f7c111e ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000b186175d (&type->s_umount_key#86){++++}, at: trylock_super+0x1d/0x100 fs/super.c:412 #3: 00000000e946cfe8 (&sbi->gc_mutex){+.+.}, at: f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512 2 locks held by kworker/u4:8/9609: 4 locks held by syz-executor.3/14702: #0: 000000004b30d3e3 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 #1: 00000000c37198d9 (sb_writers#24){.+.+}, at: file_start_write include/linux/fs.h:2779 [inline] #1: 00000000c37198d9 (sb_writers#24){.+.+}, at: vfs_write+0x463/0x540 fs/read_write.c:548 #2: 000000008e2e4e13 (&sbi->writepages){+.+.}, at: __f2fs_write_data_pages fs/f2fs/data.c:2212 [inline] #2: 000000008e2e4e13 (&sbi->writepages){+.+.}, at: f2fs_write_data_pages+0x478/0x1060 fs/f2fs/data.c:2244 #3: 00000000e946cfe8 (&sbi->gc_mutex){+.+.}, at: f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512 3 locks held by syz-executor.3/14700: 2 locks held by syz-executor.1/20661: 1 lock held by syz-executor.3/20668: 2 locks held by syz-executor.5/20669: #0: 0000000081f746e6 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 0000000081f746e6 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 00000000a88e9c1d (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a88e9c1d (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 2 locks held by syz-executor.2/20680: #0: 0000000081f746e6 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 0000000081f746e6 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable #1: 00000000a88e9c1d (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000a88e9c1d (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 1 lock held by syz-executor.1/20692: #0: 000000008d5fcc38 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 000000008d5fcc38 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 3 locks held by syz-executor.4/20709: 3 locks held by syz-executor.1/20710: 2 locks held by syz-executor.2/20711: 2 locks held by syz-executor.0/20713: ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3536 Comm: kworker/u4:4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: phy22 ieee80211_iface_work RIP: 0010:ieee80211_parse_ch_switch_ie+0x8ca/0xe60 net/mac80211/spectmgmt.c:174 Code: 51 05 00 00 48 8b 84 24 88 00 00 00 45 31 e4 48 89 03 48 8b 84 24 90 00 00 00 48 89 43 08 48 8b 84 24 98 00 00 00 48 89 43 10 d1 56 c1 f9 48 b8 00 00 00 00 00 fc ff df 48 03 04 24 48 c7 00 RSP: 0000:ffff8880a8d2f3d8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880a8d2f538 RCX: ffffffff87a12726 RDX: 1ffff110151a5f24 RSI: ffffffff87a12fcb RDI: ffff8880a8d2f920 RBP: ffff8880a8d2f828 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000c10 R14: 0000000000000000 R15: ffff8880a2d55280 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa812df1000 CR3: 00000000a0d44000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_ibss_process_chanswitch.constprop.0+0x1c0/0xb90 net/mac80211/ibss.c:811 ieee80211_rx_bss_info net/mac80211/ibss.c:1154 [inline] ieee80211_rx_mgmt_probe_beacon+0xdab/0x15c0 net/mac80211/ibss.c:1607 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415