INFO: task syz-executor.2:10625 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.2 D26136 10625 8132 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 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 REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal xfs_trans_reserve+0x63a/0x9c0 fs/xfs/xfs_trans.c:197 REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal REISERFS (device loop1): using ordered data mode REISERFS (device loop4): using ordered data mode xfs_trans_alloc+0x2f7/0x700 fs/xfs/xfs_trans.c:289 xfs_qm_qino_alloc+0x19a/0x950 fs/xfs/xfs_qm.c:777 reiserfs: using flush barriers reiserfs: using flush barriers REISERFS warning (device loop4): sh-460 journal_init: journal header magic 49ce1e00 (device loop4) does not match to magic found in super block 49ce1e1e REISERFS warning (device loop1): sh-460 journal_init: journal header magic 49ce1e00 (device loop1) does not match to magic found in super block 49ce1e1e xfs_qm_init_quotainos+0x563/0x730 fs/xfs/xfs_qm.c:1548 REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space 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 xfs_qm_init_quotainfo+0x146/0xd70 fs/xfs/xfs_qm.c:659 XFS (loop3): Unmount and run xfs_repair XFS (loop3): First 128 bytes of corrupted metadata buffer: 0000000010ceb7bd: 58 46 53 42 00 00 02 00 00 00 00 00 00 01 00 00 XFSB............ 00000000f762c158: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ xfs_qm_mount_quotas+0x55/0x680 fs/xfs/xfs_qm.c:1432 0000000083b2bd80: 5e 62 73 b8 21 67 42 bb 91 1b 41 8a a1 4a 12 61 ^bs.!gB...A..J.a xfs_mountfs+0x17e2/0x1bf0 fs/xfs/xfs_mount.c:1001 00000000a21ddd59: 00 00 00 00 00 00 ff 80 00 00 00 00 00 00 00 20 ............... 00000000b4fab01a: 00 00 00 00 00 00 00 21 00 00 00 00 00 00 00 22 .......!......." 000000002c7743c8: 00 00 00 02 00 00 80 00 00 00 00 02 00 00 00 00 ................ xfs_fs_fill_super+0xd0e/0x1540 fs/xfs/xfs_super.c:1720 0000000035d729f8: 00 00 0b 40 b4 b4 02 00 01 00 00 02 00 00 00 00 ...@............ mount_bdev+0x2fc/0x3b0 fs/super.c:1158 00000000313c23ed: 00 00 00 00 00 00 00 00 09 09 08 01 0f 00 00 19 ................ mount_fs+0xa3/0x310 fs/super.c:1261 XFS (loop3): SB validate failed with error -117. 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 REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe REISERFS (device loop4): using ordered data mode RIP: 0033:0x7f5217fb75fa REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal reiserfs: using flush barriers Code: Bad RIP value. REISERFS (device loop1): using ordered data mode RSP: 002b:00007f5216527f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 REISERFS warning (device loop4): sh-460 journal_init: journal header magic 49ce1e00 (device loop4) does not match to magic found in super block 49ce1e1e reiserfs: using flush barriers RAX: ffffffffffffffda RBX: 000000000000baee RCX: 00007f5217fb75fa REISERFS warning (device loop1): sh-460 journal_init: journal header magic 49ce1e00 (device loop1) does not match to magic found in super block 49ce1e1e RDX: 000000002000bb00 RSI: 000000002000bb40 RDI: 00007f5216527fe0 REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space RBP: 00007f5216528020 R08: 00007f5216528020 R09: 0000000000000008 R10: 0000000000000008 R11: 0000000000000202 R12: 000000002000bb00 R13: 000000002000bb40 R14: 00007f5216527fe0 R15: 00000000200003c0 Showing all locks held in the system: REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space 1 lock held by khungtaskd/1570: #0: 00000000db1c472b (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7798: #0: 00000000f3d4f9c9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/8023: #0: 00000000604036ed (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000ed1f6db5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by agetty/8024: #0: 00000000c4228299 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000b0422f56 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by syz-executor.2/10625: #0: 00000000ff07236c (&type->s_umount_key#54/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000ff07236c (&type->s_umount_key#54/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 #1: 000000003794c8f4 (sb_internal#3){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #1: 000000003794c8f4 (sb_internal#3){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271 2 locks held by syz-executor.4/14076: #0: 00000000551eeba4 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000551eeba4 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 00000000db1c472b (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000db1c472b (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 2 locks held by syz-executor.4/14077: ============================================= 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 01/12/2023 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: 6644 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: phy13 ieee80211_iface_work RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:quarantine_put+0x9a/0x1f0 mm/kasan/quarantine.c:209 Code: 48 c7 45 00 00 00 00 00 48 03 58 10 48 81 fb 00 00 10 00 48 89 58 10 77 52 41 f7 c4 00 02 00 00 75 1f 48 83 3d ae 0d 59 08 00 <74> 39 4c 89 e7 57 9d 0f 1f 44 00 00 5b 5d 41 5c 41 5d e9 6f 38 cf RSP: 0018:ffff88809ef079a0 EFLAGS: 00000086 RAX: ffff8880ba028700 RBX: 00000000000beb40 RCX: ffffffff83771e8f RDX: ffff888098172940 RSI: ffffffff83771e31 RDI: 0000000000000007 RBP: ffff8880909add00 R08: 0000000000400000 R09: 0000000000000000 R10: 0000000000000007 R11: 000000000cbf350b R12: 0000000000000086 R13: ffff88813bff0940 R14: 0000000000000000 R15: ffff8880909addf0 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9dff74d988 CR3: 00000000b49f8000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_slab_free+0x186/0x1f0 mm/kasan/kasan.c:522 __cache_free mm/slab.c:3503 [inline] kfree+0xcc/0x210 mm/slab.c:3822 skb_free_head net/core/skbuff.c:563 [inline] skb_release_data+0x6de/0x920 net/core/skbuff.c:583 skb_release_all net/core/skbuff.c:640 [inline] __kfree_skb net/core/skbuff.c:654 [inline] kfree_skb+0x11a/0x3d0 net/core/skbuff.c:672 ieee80211_iface_work+0x289/0x8a0 net/mac80211/iface.c:1353 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