INFO: task jbd2/sda1-8:2936 blocked for more than 143 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:26184 pid: 2936 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 jbd2_journal_commit_transaction+0x89e/0x6c20 fs/jbd2/commit.c:496 kjournald2+0x1d0/0x930 fs/jbd2/journal.c:213 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 INFO: task syz-executor.5:24607 blocked for more than 143 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:23976 pid:24607 ppid: 1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 wait_transaction_locked+0x1c8/0x250 fs/jbd2/transaction.c:183 add_transaction_credits+0x10f/0xb70 fs/jbd2/transaction.c:246 start_this_handle+0x3a6/0x1380 fs/jbd2/transaction.c:427 jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x9d/0x110 fs/ext4/inode.c:5916 __mark_inode_dirty+0x45b/0xfe0 fs/fs-writeback.c:2399 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x63d/0x700 fs/inode.c:1867 file_accessed include/linux/fs.h:2505 [inline] iterate_dir+0x465/0x700 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __x64_sys_getdents64+0x13a/0x2c0 fs/readdir.c:354 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+0x44/0xae RIP: 0033:0x7f82b4fe5ca7 RSP: 002b:00007fff33787fe8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 000055555592b810 RCX: 00007f82b4fe5ca7 RDX: 0000000000008000 RSI: 000055555592b840 RDI: 0000000000000003 RBP: 000055555592b840 R08: 0000000000000030 R09: 00007f82b50a6640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 000055555592b814 R14: 0000000000000016 R15: 00007fff337891e0 INFO: task syz-executor.3:24696 blocked for more than 143 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:24368 pid:24696 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 jbd2_log_wait_commit+0x2d2/0x430 fs/jbd2/journal.c:712 jbd2_journal_stop+0x5bc/0xf20 fs/jbd2/transaction.c:1932 __ext4_journal_stop+0xde/0x1f0 fs/ext4/ext4_jbd2.c:127 ext4_rmdir fs/ext4/namei.c:3143 [inline] ext4_rmdir+0xaa8/0xf10 fs/ext4/namei.c:3057 vfs_rmdir.part.0+0x10f/0x4b0 fs/namei.c:3968 vfs_rmdir fs/namei.c:3954 [inline] do_rmdir+0x3a6/0x430 fs/namei.c:4030 __do_sys_rmdir fs/namei.c:4049 [inline] __se_sys_rmdir fs/namei.c:4047 [inline] __x64_sys_rmdir+0xc6/0x110 fs/namei.c:4047 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+0x44/0xae RIP: 0033:0x7ff02ba02807 RSP: 002b:00007fff48498428 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007ff02ba02807 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff484995b0 RBP: 00007fff484984f0 R08: 0000000000000000 R09: 00007fff484982c0 R10: 0000555556d418e3 R11: 0000000000000207 R12: 00007ff02ba5c172 R13: 00007fff484995b0 R14: 0000555556d41810 R15: 00007fff484995f0 INFO: task syz-executor.0:24832 blocked for more than 144 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:24528 pid:24832 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 jbd2_log_wait_commit+0x2d2/0x430 fs/jbd2/journal.c:712 jbd2_journal_stop+0x5bc/0xf20 fs/jbd2/transaction.c:1932 __ext4_journal_stop+0xde/0x1f0 fs/ext4/ext4_jbd2.c:127 ext4_unlink+0x3cb/0x9e0 fs/ext4/namei.c:3245 vfs_unlink+0x348/0x750 fs/namei.c:4100 do_unlinkat+0x3c9/0x650 fs/namei.c:4167 __do_sys_unlink fs/namei.c:4215 [inline] __se_sys_unlink fs/namei.c:4213 [inline] __x64_sys_unlink+0xc6/0x110 fs/namei.c:4213 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+0x44/0xae RIP: 0033:0x7f0b479cd7d7 RSP: 002b:00007ffd18243f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b479cd7d7 RDX: 00007ffd18243fb0 RSI: 00007ffd18243fb0 RDI: 00007ffd18244040 RBP: 00007ffd18244040 R08: 0000000000000001 R09: 00007ffd18243e10 R10: 000055555614e8e3 R11: 0000000000000206 R12: 00007f0b47a27172 R13: 00007ffd18245100 R14: 000055555614e810 R15: 00007ffd18245140 INFO: task syz-executor.4:30437 blocked for more than 144 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:23976 pid:30437 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 wait_transaction_locked+0x1c8/0x250 fs/jbd2/transaction.c:183 add_transaction_credits+0x10f/0xb70 fs/jbd2/transaction.c:246 start_this_handle+0x3a6/0x1380 fs/jbd2/transaction.c:427 jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x9d/0x110 fs/ext4/inode.c:5916 __mark_inode_dirty+0x45b/0xfe0 fs/fs-writeback.c:2399 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x63d/0x700 fs/inode.c:1867 file_accessed include/linux/fs.h:2505 [inline] iterate_dir+0x465/0x700 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64 fs/readdir.c:354 [inline] __x64_sys_getdents64+0x13a/0x2c0 fs/readdir.c:354 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+0x44/0xae RIP: 0033:0x7f10bbe9cca7 RSP: 002b:00007ffdd4d71498 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556ffb810 RCX: 00007f10bbe9cca7 RDX: 0000000000008000 RSI: 0000555556ffb840 RDI: 0000000000000003 RBP: 0000555556ffb840 R08: 0000000000000030 R09: 00007f10bbf5d640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 0000555556ffb814 R14: 0000000000000016 R15: 00007ffdd4d72690 INFO: task syz-executor.2:9971 blocked for more than 144 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27280 pid: 9971 ppid: 3632 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 rwsem_down_write_slowpath+0x634/0x1110 kernel/locking/rwsem.c:1151 __down_write_common kernel/locking/rwsem.c:1268 [inline] __down_write_common kernel/locking/rwsem.c:1265 [inline] __down_write kernel/locking/rwsem.c:1277 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1524 inode_lock include/linux/fs.h:783 [inline] lock_mount+0x8a/0x2e0 fs/namespace.c:2242 do_new_mount_fc fs/namespace.c:2931 [inline] do_new_mount fs/namespace.c:2990 [inline] path_mount+0x14c6/0x1fa0 fs/namespace.c:3318 do_mount fs/namespace.c:3331 [inline] __do_sys_mount fs/namespace.c:3539 [inline] __se_sys_mount fs/namespace.c:3516 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3516 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+0x44/0xae RIP: 0033:0x7fc1721433ca RSP: 002b:00007fc170ab6f88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fc1721433ca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fc170ab6fe0 RBP: 00007fc170ab7020 R08: 00007fc170ab7020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fc170ab6fe0 R15: 0000000020000580 INFO: task syz-executor.2:9974 blocked for more than 144 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28312 pid: 9974 ppid: 3632 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xa9a/0x4900 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 wait_transaction_locked+0x1c8/0x250 fs/jbd2/transaction.c:183 add_transaction_credits+0x10f/0xb70 fs/jbd2/transaction.c:246 start_this_handle+0x3a6/0x1380 fs/jbd2/transaction.c:427 jbd2__journal_start+0x399/0x930 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x227/0x4a0 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_set_acl+0x22a/0x5b0 fs/ext4/acl.c:246 set_posix_acl+0x22d/0x2e0 fs/posix_acl.c:931 posix_acl_xattr_set+0x93/0x1a0 fs/posix_acl.c:950 __vfs_setxattr+0x115/0x180 fs/xattr.c:180 __vfs_setxattr_noperm+0x125/0x5f0 fs/xattr.c:214 __vfs_setxattr_locked+0x1cf/0x260 fs/xattr.c:275 vfs_setxattr+0x13f/0x330 fs/xattr.c:301 setxattr+0x218/0x2b0 fs/xattr.c:575 path_setxattr+0x197/0x1c0 fs/xattr.c:595 __do_sys_lsetxattr fs/xattr.c:618 [inline] __se_sys_lsetxattr fs/xattr.c:614 [inline] __x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:614 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+0x44/0xae RIP: 0033:0x7fc172141e99 RSP: 002b:00007fc170a96168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 00007fc172255030 RCX: 00007fc172141e99 RDX: 0000000020009400 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 00007fc17219bff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000024 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca07d2eef R14: 00007fc170a96300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/26: #0: ffffffff8bb812a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458 2 locks held by getty/3283: #0: ffff88814af56098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252 #1: ffffc90002b8e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113 1 lock held by syz-executor.2/3742: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/4134: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/4240: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/4425: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/6396: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/6835: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/7497: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/7641: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/8113: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/8930: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/11939: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 2 locks held by kworker/u4:2/22648: #0: ffff8880b9d39b18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478 #1: ffff8880b9d279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x173/0x490 kernel/sched/psi.c:871 1 lock held by syz-executor.1/23571: #0: ffff888074523128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] #0: ffff888074523128 (&mm->mmap_lock#2){++++}-{3:3}, at: do_user_addr_fault+0x285/0x11c0 arch/x86/mm/fault.c:1338 2 locks held by syz-executor.5/24607: #0: ffff88803f0ad970 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0xcd/0x700 fs/readdir.c:55 #1: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2505 [inline] #1: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: iterate_dir+0x465/0x700 fs/readdir.c:70 3 locks held by syz-executor.3/24696: #0: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: do_rmdir+0x1d0/0x430 fs/namei.c:4013 #1: ffff8880347e46b0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline] #1: ffff8880347e46b0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: do_rmdir+0x21b/0x430 fs/namei.c:4017 #2: ffff88803f2963f0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline] #2: ffff88803f2963f0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: vfs_rmdir.part.0+0x5f/0x4b0 fs/namei.c:3958 3 locks held by syz-executor.0/24832: #0: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: do_unlinkat+0x17f/0x650 fs/namei.c:4146 #1: ffff8880345ed470 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline] #1: ffff8880345ed470 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: do_unlinkat+0x269/0x650 fs/namei.c:4150 #2: ffff8880347437b0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline] #2: ffff8880347437b0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: vfs_unlink+0xd0/0x750 fs/namei.c:4089 1 lock held by syz-executor.2/24854: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 4 locks held by kworker/u4:8/27069: #0: ffff8880b9d39b18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478 #1: ffff8880b9d279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3a6/0x490 kernel/sched/psi.c:880 #2: ffff888029080d40 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1013 [inline] #2: ffff888029080d40 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x90/0xe80 net/mac80211/ibss.c:1681 #3: ffffffff8bb812a0 (rcu_read_lock){....}-{1:2}, at: sdata_assert_lock net/mac80211/ieee80211_i.h:1030 [inline] #3: ffffffff8bb812a0 (rcu_read_lock){....}-{1:2}, at: ieee80211_sta_active_ibss+0x86/0x350 net/mac80211/ibss.c:652 2 locks held by kworker/0:22/28044: #0: ffff888010c76538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c76538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010c76538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff888010c76538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] #0: ffff888010c76538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline] #0: ffff888010c76538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x896/0x1660 kernel/workqueue.c:2269 #1: ffffc90002877db0 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1660 kernel/workqueue.c:2273 2 locks held by syz-executor.4/30437: #0: ffff88802d208770 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0xcd/0x700 fs/readdir.c:55 #1: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2505 [inline] #1: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: iterate_dir+0x465/0x700 fs/readdir.c:70 1 lock held by syz-executor.2/1786: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.2/7560: #0: ffff88814afc0650 (sb_internal){.+.+}-{0:0}, at: evict+0x2ed/0x6b0 fs/inode.c:590 1 lock held by syz-executor.1/9962: #0: ffff888011c28168 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #0: ffff888011c28168 (&mm->mmap_lock#2){++++}-{3:3}, at: do_mprotect_pkey+0x1e0/0x980 mm/mprotect.c:551 3 locks held by syz-executor.1/9966: #0: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: ioctl_preallocate+0x18e/0x200 fs/ioctl.c:294 #1: ffff88803f2d24b0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline] #1: ffff88803f2d24b0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_zero_range fs/ext4/extents.c:4559 [inline] #1: ffff88803f2d24b0 (&sb->s_type->i_mutex_key#9){++++}-{3:3}, at: ext4_fallocate+0x13f6/0x41d0 fs/ext4/extents.c:4722 #2: ffff88814afc4990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf84/0x1380 fs/jbd2/transaction.c:466 1 lock held by syz-executor.2/9971: #0: ffff8880344de930 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline] #0: ffff8880344de930 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: lock_mount+0x8a/0x2e0 fs/namespace.c:2242 2 locks held by syz-executor.2/9974: #0: ffff88814afc0460 (sb_writers#6){.+.+}-{0:0}, at: path_setxattr+0xb2/0x1c0 fs/xattr.c:593 #1: ffff8880344de930 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline] #1: ffff8880344de930 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: vfs_setxattr+0x11c/0x330 fs/xattr.c:300 2 locks held by dhcpcd/10004: #0: ffff888079f88120 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1645 [inline] #0: ffff888079f88120 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xcf0 net/packet/af_packet.c:3173 #1: ffffffff8bb8a628 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #1: ffffffff8bb8a628 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4fa/0x620 kernel/rcu/tree_exp.h:836 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0xc1d/0xf50 kernel/hung_task.c:295 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 27069 Comm: kworker/u4:8 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:check_wait_context kernel/locking/lockdep.c:4714 [inline] RIP: 0010:__lock_acquire+0x536/0x5470 kernel/locking/lockdep.c:4977 Code: 10 00 00 0f b6 85 b9 00 00 00 48 8b 14 24 84 c0 41 0f 44 c6 48 c1 ea 03 88 44 24 50 48 b8 00 00 00 00 00 fc ff df 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e a9 10 00 00 45 8b bd 58 0a 00 00 45 89 fe RSP: 0018:ffffc90005a979d8 EFLAGS: 00000806 RAX: 0000000000000000 RBX: ffff888079cceb20 RCX: 0000000000000001 RDX: 1ffff1100f399d63 RSI: 0000000000000007 RDI: ffffffff8ffd0c19 RBP: ffffffff8ffd0b60 R08: 0000000000000000 R09: ffffffff8ff7aae7 R10: fffffbfff1fef55c R11: 0000000000000001 R12: ffff888079cceb70 R13: ffff888079cce0c0 R14: 0000000000000002 R15: 0000000000040000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e8a37e7680 CR3: 00000000240e5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5637 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:354 [inline] batadv_nc_purge_paths+0xdf/0x3a0 net/batman-adv/network-coding.c:446 batadv_nc_worker+0x930/0xfa0 net/batman-adv/network-coding.c:726 process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298 worker_thread+0x65d/0x1130 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 ---------------- Code disassembly (best guess): 0: 10 00 adc %al,(%rax) 2: 00 0f add %cl,(%rdi) 4: b6 85 mov $0x85,%dh 6: b9 00 00 00 48 mov $0x48000000,%ecx b: 8b 14 24 mov (%rsp),%edx e: 84 c0 test %al,%al 10: 41 0f 44 c6 cmove %r14d,%eax 14: 48 c1 ea 03 shr $0x3,%rdx 18: 88 44 24 50 mov %al,0x50(%rsp) 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df 26: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax * 2a: 84 c0 test %al,%al <-- trapping instruction 2c: 74 08 je 0x36 2e: 3c 03 cmp $0x3,%al 30: 0f 8e a9 10 00 00 jle 0x10df 36: 45 8b bd 58 0a 00 00 mov 0xa58(%r13),%r15d 3d: 45 89 fe mov %r15d,%r14d