INFO: task syz-executor.1:1507 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.1 D26136 1507 8178 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 xlog_grant_head_wait+0x13b/0xcd0 fs/xfs/xfs_log.c:263 xlog_grant_head_check+0x3c8/0x420 fs/xfs/xfs_log.c:325 xfs_log_reserve+0x347/0xa70 fs/xfs/xfs_log.c:454 xfs_trans_reserve+0x63a/0x9c0 fs/xfs/xfs_trans.c:197 xfs_trans_alloc+0x2f7/0x700 fs/xfs/xfs_trans.c:289 xlog_finish_defer_ops fs/xfs/xfs_log_recover.c:4841 [inline] xlog_recover_process_intents+0x274/0x430 fs/xfs/xfs_log_recover.c:4947 xlog_recover_finish+0x5f/0x230 fs/xfs/xfs_log_recover.c:5839 xfs_log_mount_finish+0x135/0x450 fs/xfs/xfs_log.c:778 xfs_mountfs+0x1032/0x1bf0 fs/xfs/xfs_mount.c:974 xfs_fs_fill_super+0xd0e/0x1540 fs/xfs/xfs_super.c:1720 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe XFS (loop3): SB sanity check failed XFS (loop3): Metadata corruption detected at xfs_sb_read_verify+0x3e7/0x500 fs/xfs/libxfs/xfs_sb.c:685, xfs_sb block 0xffffffffffffffff RIP: 0033:0x7fc351a1062a Code: Bad RIP value. RSP: 002b:00007fc34ff80f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 XFS (loop3): Unmount and run xfs_repair RAX: ffffffffffffffda RBX: 000000000000bb12 RCX: 00007fc351a1062a XFS (loop3): First 128 bytes of corrupted metadata buffer: RDX: 000000002000bb00 RSI: 000000002000bb40 RDI: 00007fc34ff80fe0 00000000872be5dc: 58 46 53 42 00 00 02 00 00 00 00 00 40 03 00 00 XFSB........@... RBP: 00007fc34ff81020 R08: 00007fc34ff81020 R09: 0000000000000000 000000007efe4012: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ R10: 0000000000000000 R11: 0000000000000202 R12: 000000002000bb00 0000000051122795: 5e 62 73 b8 21 67 42 bb 91 1b 41 8a a1 4a 12 61 ^bs.!gB...A..J.a R13: 000000002000bb40 R14: 00007fc34ff80fe0 R15: 0000000020000040 Showing all locks held in the system: 00000000de912ee9: 00 00 00 00 00 00 80 40 00 00 00 00 00 00 00 20 .......@....... 4 locks held by kworker/u4:3/173: 1 lock held by khungtaskd/1570: #0: 0000000024869501 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 0000000005b73177: 00 00 00 00 00 00 00 21 00 00 00 00 00 00 00 22 .......!......." 1 lock held by in:imklog/7728: 00000000c5b87638: 00 00 00 08 00 00 80 00 00 00 00 02 00 00 00 00 ................ #0: 00000000fd62ccba (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 00000000463b9d95: 00 00 0b 40 b4 b4 02 00 01 00 00 02 00 00 00 00 ...@............ 3 locks held by syz-executor.0/8135: #0: 000000009bfb1eb1 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 000000009bfb1eb1 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 000000001f04c7f7: 00 00 00 00 00 00 00 00 09 09 08 01 0f 00 00 19 ................ #1: 0000000024869501 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 0000000024869501 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 XFS (loop3): SB validate failed with error -117. #2: 0000000024869501 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #2: 0000000024869501 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 3 locks held by kworker/u4:9/12968: 2 locks held by syz-executor.1/1507: #0: 0000000075b585a8 (&type->s_umount_key#68/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 0000000075b585a8 (&type->s_umount_key#68/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 #1: 0000000003438f6b (sb_internal#4){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #1: 0000000003438f6b (sb_internal#4){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271 1 lock held by syz-executor.3/5251: 3 locks held by syz-executor.4/5252: #0: 00000000737ec117 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 00000000e00207e0 (rtnl_mutex){+.+.}, at: ip_tunnel_delete_nets+0x8e/0x580 net/ipv4/ip_tunnel.c:1083 #2: 00000000c6e08b0d (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #2: 00000000c6e08b0d (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667 2 locks held by syz-executor.5/5253: #0: 00000000737ec117 (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435 #1: 000000003da701b3 (rcu_preempt_state.barrier_mutex){+.+.}, at: _rcu_barrier+0x59/0x3e0 kernel/rcu/tree.c:3430 2 locks held by syz-executor.2/5303: 2 locks held by syz-executor.1/5311: 2 locks held by syz-executor.0/5315: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7865 Comm: kworker/u4:5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Workqueue: phy7 ieee80211_iface_work RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:97 Code: ff 48 89 df e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 RSP: 0018:ffff888096fff688 EFLAGS: 00000297 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff87a4da8a RDX: 000000000000006e RSI: ffff88808e42c480 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000037 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000037 R13: 000000000000000c R14: ffff888053a63388 R15: 000000000000006e FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005603429b98e0 CR3: 00000000970be000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_sta_get_rates+0x45b/0x860 net/mac80211/util.c:1697 ieee80211_update_sta_info net/mac80211/ibss.c:1014 [inline] ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline] ieee80211_rx_mgmt_probe_beacon+0x552/0x15c0 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