INFO: task jbd2/sda1-8:4398 blocked for more than 143 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:24568 pid:4398 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 jbd2_journal_wait_updates+0x1fc/0x2e0 fs/jbd2/transaction.c:862 jbd2_journal_commit_transaction+0xda4/0x76f0 fs/jbd2/commit.c:458 kjournald2+0x462/0x850 fs/jbd2/journal.c:209 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task syz-executor.2:5111 blocked for more than 143 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:20472 pid:5111 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 wait_transaction_locked+0x231/0x2d0 fs/jbd2/transaction.c:178 add_transaction_credits+0x101/0xc10 fs/jbd2/transaction.c:241 start_this_handle+0x74b/0x1640 fs/jbd2/transaction.c:422 jbd2__journal_start+0x2d5/0x5d0 fs/jbd2/transaction.c:520 __ext4_journal_start_sb+0x3a1/0x8c0 fs/ext4/ext4_jbd2.c:111 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:6105 __mark_inode_dirty+0x413/0x12a0 fs/fs-writeback.c:2421 generic_update_time fs/inode.c:1860 [inline] inode_update_time fs/inode.c:1873 [inline] touch_atime+0x3fe/0x680 fs/inode.c:1945 file_accessed include/linux/fs.h:2181 [inline] iterate_dir+0x488/0x570 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbcd80b0f07 RSP: 002b:00007fff8a05a018 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 000055555621b850 RCX: 00007fbcd80b0f07 RDX: 0000000000008000 RSI: 000055555621b880 RDI: 0000000000000005 RBP: 000055555621b880 R08: 0000000000000030 R09: 00007fbcd8188640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffb8 R13: 000055555621b854 R14: 0000000000000016 R15: 00007fff8a05c310 INFO: task syz-executor.0:7682 blocked for more than 144 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:20824 pid:7682 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 wait_transaction_locked+0x231/0x2d0 fs/jbd2/transaction.c:178 add_transaction_credits+0x101/0xc10 fs/jbd2/transaction.c:241 start_this_handle+0x74b/0x1640 fs/jbd2/transaction.c:422 jbd2__journal_start+0x2d5/0x5d0 fs/jbd2/transaction.c:520 __ext4_journal_start_sb+0x3a1/0x8c0 fs/ext4/ext4_jbd2.c:111 __ext4_new_inode+0x1437/0x43d0 fs/ext4/ialloc.c:1079 ext4_mkdir+0x425/0xce0 fs/ext4/namei.c:2992 vfs_mkdir+0x29d/0x450 fs/namei.c:4038 do_mkdirat+0x264/0x520 fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4074 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4c3888b117 RSP: 002b:00007ffde3d05ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007ffde3d05f80 RCX: 00007f4c3888b117 RDX: 00000000000001ff RSI: 00007ffde3d05f80 RDI: 00000000ffffff9c RBP: 00007ffde3d05f5c R08: 0000000000000000 R09: 0000000000000005 R10: 00007ffde3d05c95 R11: 0000000000000202 R12: 0000000000000032 R13: 0000000000166383 R14: 000000000000000e R15: 00007ffde3d05fc0 INFO: task syz-executor.4:4213 blocked for more than 144 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:24664 pid:4213 ppid:5118 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 wait_transaction_locked+0x231/0x2d0 fs/jbd2/transaction.c:178 add_transaction_credits+0x101/0xc10 fs/jbd2/transaction.c:241 start_this_handle+0x74b/0x1640 fs/jbd2/transaction.c:422 jbd2__journal_start+0x2d5/0x5d0 fs/jbd2/transaction.c:520 __ext4_journal_start_sb+0x3a1/0x8c0 fs/ext4/ext4_jbd2.c:111 __ext4_new_inode+0x1437/0x43d0 fs/ext4/ialloc.c:1079 ext4_mkdir+0x425/0xce0 fs/ext4/namei.c:2992 vfs_mkdir+0x29d/0x450 fs/namei.c:4038 do_mkdirat+0x264/0x520 fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4074 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe41e28b117 RSP: 002b:00007fe41f017f88 EFLAGS: 00000213 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00000000000095d1 RCX: 00007fe41e28b117 RDX: 00000000000001ff RSI: 0000000020009640 RDI: 00000000ffffff9c RBP: 00000000200096c0 R08: 0000000000000000 R09: 00000000000095cb R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020009600 R13: 0000000020009640 R14: 00007fe41f017fe0 R15: 0000000020000040 INFO: task syz-executor.3:4245 blocked for more than 144 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:24904 pid:4245 ppid:5120 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 jbd2_log_wait_commit+0x2a3/0x4a0 fs/jbd2/journal.c:708 ext4_sync_fs+0x4ad/0x830 fs/ext4/super.c:6217 sync_filesystem+0x1c0/0x220 fs/sync.c:66 ovl_sync_fs+0xf2/0x140 fs/overlayfs/super.c:302 sync_filesystem+0x1c0/0x220 fs/sync.c:66 generic_shutdown_super+0x6f/0x340 fs/super.c:473 kill_anon_super+0x3b/0x60 fs/super.c:1098 deactivate_locked_super+0xa4/0x110 fs/super.c:331 cleanup_mnt+0x490/0x520 fs/namespace.c:1177 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x2e0 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f66fc88c0f9 RSP: 002b:00007f66fd52f168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: fffffffffffffffe RBX: 00007f66fc9abf80 RCX: 00007f66fc88c0f9 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f66fc8e7ae9 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc6f076ff R14: 00007f66fd52f300 R15: 0000000000022000 INFO: task syz-executor.5:4256 blocked for more than 145 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:24600 pid:4256 ppid:5109 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 wait_transaction_locked+0x231/0x2d0 fs/jbd2/transaction.c:178 add_transaction_credits+0x101/0xc10 fs/jbd2/transaction.c:241 start_this_handle+0x74b/0x1640 fs/jbd2/transaction.c:422 jbd2__journal_start+0x2d5/0x5d0 fs/jbd2/transaction.c:520 __ext4_journal_start_sb+0x3a1/0x8c0 fs/ext4/ext4_jbd2.c:111 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_set_acl+0x32f/0x7a0 fs/ext4/acl.c:247 set_posix_acl fs/posix_acl.c:956 [inline] vfs_remove_acl+0x581/0x800 fs/posix_acl.c:1208 ovl_do_remove_acl fs/overlayfs/overlayfs.h:293 [inline] ovl_workdir_create+0x52f/0x970 fs/overlayfs/super.c:821 ovl_make_workdir fs/overlayfs/super.c:1294 [inline] ovl_get_workdir+0x3bb/0x17c0 fs/overlayfs/super.c:1444 ovl_fill_super+0x1c64/0x2bd0 fs/overlayfs/super.c:2000 mount_nodev+0x56/0xe0 fs/super.c:1417 legacy_get_tree+0xef/0x190 fs/fs_context.c:610 vfs_get_tree+0x8c/0x270 fs/super.c:1501 do_new_mount+0x28f/0xae0 fs/namespace.c:3042 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f67a3e8c0f9 RSP: 002b:00007f67a29dd168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f67a3fac050 RCX: 00007f67a3e8c0f9 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f67a3ee7ae9 R08: 0000000020000180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcbda5818f R14: 00007f67a29dd300 R15: 0000000000022000 INFO: task syz-executor.5:4258 blocked for more than 145 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:25528 pid:4258 ppid:5109 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757 rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178 __down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306 inode_lock_nested include/linux/fs.h:793 [inline] ext4_rename fs/ext4/namei.c:3879 [inline] ext4_rename2+0x2633/0x4410 fs/ext4/namei.c:4193 vfs_rename+0xb1b/0xfa0 fs/namei.c:4772 do_renameat2+0xb9b/0x13c0 fs/namei.c:4923 __do_sys_rename fs/namei.c:4969 [inline] __se_sys_rename fs/namei.c:4967 [inline] __x64_sys_rename+0x86/0x90 fs/namei.c:4967 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f67a3e8c0f9 RSP: 002b:00007f679a5bc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f67a3fac120 RCX: 00007f67a3e8c0f9 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000000 RBP: 00007f67a3ee7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcbda5818f R14: 00007f679a5bc300 R15: 0000000000022000 INFO: task syz-executor.1:4259 blocked for more than 145 seconds. Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:26424 pid:4259 ppid:5122 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0x17d8/0x4990 kernel/sched/core.c:6622 schedule+0xc3/0x180 kernel/sched/core.c:6698 wait_transaction_locked+0x231/0x2d0 fs/jbd2/transaction.c:178 add_transaction_credits+0x101/0xc10 fs/jbd2/transaction.c:241 start_this_handle+0x74b/0x1640 fs/jbd2/transaction.c:422 jbd2__journal_start+0x2d5/0x5d0 fs/jbd2/transaction.c:520 __ext4_journal_start_sb+0x3a1/0x8c0 fs/ext4/ext4_jbd2.c:111 __ext4_new_inode+0x1437/0x43d0 fs/ext4/ialloc.c:1079 ext4_symlink+0x38d/0xb30 fs/ext4/namei.c:3373 vfs_symlink+0x12f/0x2a0 fs/namei.c:4398 do_symlinkat+0x201/0x610 fs/namei.c:4424 __do_sys_symlinkat fs/namei.c:4440 [inline] __se_sys_symlinkat fs/namei.c:4437 [inline] __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4437 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f85aa88ba37 RSP: 002b:00007ffc2741f858 EFLAGS: 00000202 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85aa88ba37 RDX: 00007f85aa8e7bab RSI: 00000000ffffff9c RDI: 00007ffc2741f920 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc2741f6f0 R10: 00007ffc2741f5a7 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc2741f920 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d1279f0 ( rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510 1 lock held by rcu_tasks_trace/13: #0: ffffffff8d1281f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510 3 locks held by kauditd/27: 1 lock held by khungtaskd/28: #0: ffffffff8d127820 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/4756: #0: ffff88802c77c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177 3 locks held by syz-fuzzer/5070: #0: ffff888076c0ed68 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x254/0x2f0 fs/file.c:1046 #1: ffff8880792c1810 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x10e/0x570 fs/readdir.c:55 #2: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2181 [inline] #2: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x488/0x570 fs/readdir.c:70 3 locks held by syz-fuzzer/5096: #0: ffff88807e66c368 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x254/0x2f0 fs/file.c:1046 #1: ffff8880791b7258 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x10e/0x570 fs/readdir.c:55 #2: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2181 [inline] #2: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x488/0x570 fs/readdir.c:70 3 locks held by syz-fuzzer/5102: #0: ffff88807e66d768 (&f->f_pos_lock){+.+.}-{3:3} , at: __fdget_pos+0x254/0x2f0 fs/file.c:1046 #1: ffff8880792c0400 (&type->i_mutex_dir_key#3 ){++++}-{3:3} , at: iterate_dir+0x10e/0x570 fs/readdir.c:55 #2: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2181 [inline] #2: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x488/0x570 fs/readdir.c:70 2 locks held by syz-executor.2/5111: #0: ffff888080d1ac20 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: iterate_dir+0x10e/0x570 fs/readdir.c:55 #1: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2181 [inline] #1: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: iterate_dir+0x488/0x570 fs/readdir.c:70 2 locks held by syz-executor.0/7682: #0: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394 #1: ffff888074a18e08 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #1: ffff888074a18e08 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x25a/0x530 fs/namei.c:3808 3 locks held by kworker/u4:2/29491: #0: ffff8880b983be98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:539 #1: ffff8880b9828788 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:976 #2: ffff88807b17cd40 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1115 [inline] #2: ffff88807b17cd40 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0xa4/0x1490 net/mac80211/ibss.c:1680 2 locks held by syz-executor.4/4213: #0: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394 #1: ffff888080d68400 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #1: ffff888080d68400 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x25a/0x530 fs/namei.c:3808 2 locks held by syz-executor.3/4245: #0: ffff8880346f80e0 (&type->s_umount_key#56){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:361 #1: ffff88814a0e80e0 (&type->s_umount_key#30){++++}-{3:3}, at: ovl_sync_fs+0xea/0x140 fs/overlayfs/super.c:301 4 locks held by syz-executor.5/4256: #0: ffff888021e980e0 (&type->s_umount_key#55/1){+.+.}-{3:3}, at: alloc_super+0x217/0x930 fs/super.c:228 #1: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394 #2: ffff88803d904a38 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #2: ffff88803d904a38 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: ovl_workdir_create+0x160/0x970 fs/overlayfs/super.c:771 #3: ffff88803d907258 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #3: ffff88803d907258 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_remove_acl+0x107/0x800 fs/posix_acl.c:1189 5 locks held by syz-executor.5/4258: #0: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394 #1: ffff888080ff5440 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_rename+0x186/0x1a0 #2: ffff88803d904030 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #2: ffff88803d904030 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: vfs_rename+0x617/0xfa0 fs/namei.c:4744 #3: ffff88814a0ec990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x13cc/0x1640 fs/jbd2/transaction.c:461 #4: ffff88803d904a38 (&type->i_mutex_dir_key#3/4){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #4: ffff88803d904a38 (&type->i_mutex_dir_key#3/4){+.+.}-{3:3}, at: ext4_rename fs/ext4/namei.c:3879 [inline] #4: ffff88803d904a38 (&type->i_mutex_dir_key#3/4){+.+.}-{3:3}, at: ext4_rename2+0x2633/0x4410 fs/ext4/namei.c:4193 2 locks held by syz-executor.1/4259: #0: ffff88814a0e8460 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:394 #1: ffff88803d903628 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #1: ffff88803d903628 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x25a/0x530 fs/namei.c:3808 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e5/0x560 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x1b4/0x410 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0x1024/0x1070 kernel/hung_task.c:379 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 29491 Comm: kworker/u4:2 Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: phy7 ieee80211_iface_work RIP: 0010:task_wait_context kernel/locking/lockdep.c:4670 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4751 [inline] RIP: 0010:__lock_acquire+0x6e5/0x1f80 kernel/locking/lockdep.c:5006 Code: ba 00 00 00 00 00 fc ff df e9 65 ff ff ff 65 8b 05 f4 97 96 7e 41 b7 02 85 c0 48 8b 5c 24 10 75 1f 48 8b 44 24 58 0f b6 04 10 <84> c0 0f 85 9f 14 00 00 83 3b 00 41 0f 94 c7 45 00 ff 41 80 c7 02 RSP: 0018:ffffc900052b76a0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff88807c7d8a1c RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffff88807c7d8a38 RDI: ffffffff904f01c0 RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff209e039 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88807c7d8000 R14: ffff88807c7d8ad0 R15: 1ffff1100f8fb102 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c020d73d50 CR3: 000000000cf30000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x23e/0x630 kernel/locking/lockdep.c:5669 rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:327 rcu_read_lock include/linux/rcupdate.h:773 [inline] ieee80211_update_sta_info net/mac80211/ibss.c:999 [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+0x1008/0x2e80 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline] ieee80211_iface_work+0x7bd/0xd00 net/mac80211/iface.c:1637 process_one_work+0x915/0x13a0 kernel/workqueue.c:2390 worker_thread+0xa63/0x1210 kernel/workqueue.c:2537 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308