INFO: task jbd2/sda1-8:2935 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:23152 pid: 2935 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 io_schedule+0x83/0x100 kernel/sched/core.c:8371 bit_wait_io+0xe/0xc0 kernel/sched/wait_bit.c:209 __wait_on_bit+0xbd/0x190 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d2/0x250 kernel/sched/wait_bit.c:64 wait_on_buffer include/linux/buffer_head.h:356 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:175 [inline] jbd2_journal_commit_transaction+0x3f31/0x5e80 fs/jbd2/commit.c:931 kjournald2+0x4b4/0x940 fs/jbd2/journal.c:213 kthread+0x468/0x490 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 INFO: task syz-executor.0:3633 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.0 state:D stack:20272 pid: 3633 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 start_this_handle+0x4f5/0x1630 fs/jbd2/transaction.c:404 jbd2__journal_start+0x2ca/0x5b0 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x111/0x1e0 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x8a/0x100 fs/ext4/inode.c:5916 __mark_inode_dirty+0xb6/0x8f0 fs/fs-writeback.c:2399 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x3ef/0x650 fs/inode.c:1867 file_accessed include/linux/fs.h:2505 [inline] iterate_dir+0x552/0x640 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64+0x1ea/0x4e0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc705c66ca7 RSP: 002b:00007ffc34b069d8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556a70810 RCX: 00007fc705c66ca7 RDX: 0000000000008000 RSI: 0000555556a70840 RDI: 0000000000000003 RBP: 0000555556a70840 R08: 0000000000000030 R09: 00007fc705d27640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 0000555556a70814 R14: 0000000000000016 R15: 00007ffc34b07bd0 INFO: task syz-executor.5:3636 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:20272 pid: 3636 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 start_this_handle+0x4f5/0x1630 fs/jbd2/transaction.c:404 jbd2__journal_start+0x2ca/0x5b0 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x111/0x1e0 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x8a/0x100 fs/ext4/inode.c:5916 __mark_inode_dirty+0xb6/0x8f0 fs/fs-writeback.c:2399 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x3ef/0x650 fs/inode.c:1867 file_accessed include/linux/fs.h:2505 [inline] iterate_dir+0x552/0x640 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64+0x1ea/0x4e0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8b90faeca7 RSP: 002b:00007ffe2266f198 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00005555556cb810 RCX: 00007f8b90faeca7 RDX: 0000000000008000 RSI: 00005555556cb840 RDI: 0000000000000003 RBP: 00005555556cb840 R08: 0000000000000030 R09: 00007f8b9106f640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 00005555556cb814 R14: 0000000000000016 R15: 00007ffe22670390 INFO: task syz-executor.4:6383 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:20272 pid: 6383 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 start_this_handle+0x4f5/0x1630 fs/jbd2/transaction.c:404 jbd2__journal_start+0x2ca/0x5b0 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x111/0x1e0 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x8a/0x100 fs/ext4/inode.c:5916 __mark_inode_dirty+0xb6/0x8f0 fs/fs-writeback.c:2399 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x3ef/0x650 fs/inode.c:1867 file_accessed include/linux/fs.h:2505 [inline] iterate_dir+0x552/0x640 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64+0x1ea/0x4e0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f60f172fca7 RSP: 002b:00007ffe4e250db8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555556138810 RCX: 00007f60f172fca7 RDX: 0000000000008000 RSI: 0000555556138840 RDI: 0000000000000003 RBP: 0000555556138840 R08: 0000000000000030 R09: 00007f60f17f0640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 0000555556138814 R14: 0000000000000016 R15: 00007ffe4e251fb0 INFO: task syz-executor.2:7066 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:20272 pid: 7066 ppid: 1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 start_this_handle+0x4f5/0x1630 fs/jbd2/transaction.c:404 jbd2__journal_start+0x2ca/0x5b0 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x111/0x1e0 fs/ext4/ext4_jbd2.c:105 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x8a/0x100 fs/ext4/inode.c:5916 __mark_inode_dirty+0xb6/0x8f0 fs/fs-writeback.c:2399 generic_update_time fs/inode.c:1782 [inline] inode_update_time fs/inode.c:1795 [inline] touch_atime+0x3ef/0x650 fs/inode.c:1867 file_accessed include/linux/fs.h:2505 [inline] iterate_dir+0x552/0x640 fs/readdir.c:70 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64+0x1ea/0x4e0 fs/readdir.c:354 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ffa256c1ca7 RSP: 002b:00007ffe5cb6d758 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000555555f81810 RCX: 00007ffa256c1ca7 RDX: 0000000000008000 RSI: 0000555555f81840 RDI: 0000000000000003 RBP: 0000555555f81840 R08: 0000000000000030 R09: 00007ffa25782640 R10: 0000000000000231 R11: 0000000000000293 R12: ffffffffffffffbc R13: 0000555555f81814 R14: 0000000000000016 R15: 00007ffe5cb6e950 INFO: task syz-executor.3:8294 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.3 state:D stack:26128 pid: 8294 ppid: 3637 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 jbd2_log_wait_commit+0x2c5/0x500 fs/jbd2/journal.c:712 jbd2_journal_flush+0x21f/0xd70 fs/jbd2/journal.c:2449 ext4_ioctl_group_add+0x1f4/0x510 fs/ext4/ioctl.c:709 __ext4_ioctl fs/ext4/ioctl.c:1007 [inline] ext4_ioctl+0x17a4/0x5520 fs/ext4/ioctl.c:1279 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f03cf0cee99 RSP: 002b:00007f03cda44168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f03cf1e1f60 RCX: 00007f03cf0cee99 RDX: 0000000020000080 RSI: 0000000040286608 RDI: 0000000000000003 RBP: 00007f03cf128ff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff11e7e59f R14: 00007f03cda44300 R15: 0000000000022000 INFO: task syz-executor.1:8303 blocked for more than 145 seconds. Not tainted 5.16.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27360 pid: 8303 ppid: 3635 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4972 [inline] __schedule+0xb72/0x1460 kernel/sched/core.c:6253 schedule+0x12b/0x1f0 kernel/sched/core.c:6326 start_this_handle+0x4f5/0x1630 fs/jbd2/transaction.c:404 jbd2__journal_start+0x2ca/0x5b0 fs/jbd2/transaction.c:525 __ext4_journal_start_sb+0x111/0x1e0 fs/ext4/ext4_jbd2.c:105 __ext4_new_inode+0x11a9/0x5650 fs/ext4/ialloc.c:1080 ext4_symlink+0x4e1/0xfa0 fs/ext4/namei.c:3293 vfs_symlink+0x31e/0x4f0 fs/namei.c:4248 do_symlinkat+0x22c/0x650 fs/namei.c:4277 __do_sys_symlink fs/namei.c:4299 [inline] __se_sys_symlink fs/namei.c:4297 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4297 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff6055977a7 RSP: 002b:00007ffdebd77848 EFLAGS: 00000206 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6055977a7 RDX: 00007ffdebd77927 RSI: 00007ff6055f209d RDI: 00007ffdebd77910 RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffdebd776e0 R10: 00007ffdebd77597 R11: 0000000000000206 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffdebd77910 Showing all locks held in the system: 5 locks held by kworker/u4:0/8: 1 lock held by khungtaskd/26: #0: ffffffff8cb1de00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/3282: #0: ffff88807ec80098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252 #1: ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 drivers/tty/n_tty.c:2113 2 locks held by syz-executor.0/3633: #0: ffff888072fbe7a0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0x124/0x640 fs/readdir.c:55 #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2505 [inline] #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x552/0x640 fs/readdir.c:70 2 locks held by syz-executor.5/3636: #0: ffff888072fbd3b0 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0x124/0x640 fs/readdir.c:55 #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2505 [inline] #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x552/0x640 fs/readdir.c:70 1 lock held by syz-executor.1/4386: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/4409: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/4444: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/4467: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/4753: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/4760: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/4766: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/4774: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.3/5468: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.3/5519: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/5980: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/5999: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.1/6016: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 2 locks held by syz-executor.4/6383: #0: ffff888072fbb5c8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0x124/0x640 fs/readdir.c:55 #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2505 [inline] #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x552/0x640 fs/readdir.c:70 2 locks held by syz-executor.2/7066: #0: ffff88802748c9b8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: iterate_dir+0x124/0x640 fs/readdir.c:55 #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2505 [inline] #1: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: iterate_dir+0x552/0x640 fs/readdir.c:70 1 lock held by syz-executor.3/8273: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.3/8282: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 1 lock held by syz-executor.3/8292: #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1810 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: sb_start_intwrite include/linux/fs.h:1927 [inline] #0: ffff88807ecfc650 (sb_internal){.+.+}-{0:0}, at: ext4_evict_inode+0x50e/0xf70 fs/ext4/inode.c:241 2 locks held by syz-executor.3/8294: #0: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 fs/namespace.c:420 #1: ffff88807ed00170 (&journal->j_barrier){+.+.}-{3:3}, at: jbd2_journal_lock_updates+0x4ab/0x580 fs/jbd2/transaction.c:895 2 locks held by syz-executor.1/8303: #0: ffff88807ecfc460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:376 #1: ffff8880284a5da8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline] #1: ffff8880284a5da8 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x1da/0x4e0 fs/namei.c:3654 ============================================= NMI backtrace for cpu 1 CPU: 1 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+0x1dc/0x2d8 lib/dump_stack.c:106 nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x16a/0x280 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+0xc82/0xcd0 kernel/hung_task.c:295 kthread+0x468/0x490 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 44 Comm: kworker/u4:2 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy11 ieee80211_iface_work RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:199 Code: 00 00 0f 1f 40 00 be 0d 00 00 00 48 c7 c7 e0 af b5 8c e8 8f 62 4a 00 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 c0 6f 02 00 65 8b 15 a4 f1 7d 7e f7 c2 00 01 ff 00 RSP: 0018:ffffc9000114f378 EFLAGS: 00000202 RAX: ffffffff89a27a49 RBX: ffff88807ae98a0a RCX: 0000000000000000 RDX: ffff8880125c3a00 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000114f6e8 R08: ffffffff89a27a37 R09: ffffffff89a26a02 R10: 000000000000002b R11: ffff8880125c3a00 R12: 0000000000000003 R13: ffffc9000114f650 R14: 0000000000000003 R15: ffff888076750886 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c004521000 CR3: 0000000024f69000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _ieee802_11_parse_elems_crc+0x18c9/0x30a0 net/mac80211/util.c:1109 ieee802_11_parse_elems_crc+0xc14/0x1040 net/mac80211/util.c:1495 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2208 [inline] ieee80211_bss_info_update+0x80e/0xbe0 net/mac80211/scan.c:212 ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline] ieee80211_ibss_rx_queued_mgmt+0x1690/0x2b30 net/mac80211/ibss.c:1639 ieee80211_iface_process_skb net/mac80211/iface.c:1468 [inline] ieee80211_iface_work+0x709/0xc90 net/mac80211/iface.c:1522 process_one_work+0x853/0x1140 kernel/workqueue.c:2298 worker_thread+0xac1/0x1320 kernel/workqueue.c:2445 kthread+0x468/0x490 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 0f 1f 40 00 nopl 0x0(%rax) 6: be 0d 00 00 00 mov $0xd,%esi b: 48 c7 c7 e0 af b5 8c mov $0xffffffff8cb5afe0,%rdi 12: e8 8f 62 4a 00 callq 0x4a62a6 17: c3 retq 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: cc int3 1d: cc int3 1e: cc int3 1f: cc int3 20: cc int3 21: cc int3 22: cc int3 23: cc int3 24: cc int3 25: cc int3 26: 48 8b 04 24 mov (%rsp),%rax * 2a: 65 48 8b 0c 25 c0 6f mov %gs:0x26fc0,%rcx <-- trapping instruction 31: 02 00 33: 65 8b 15 a4 f1 7d 7e mov %gs:0x7e7df1a4(%rip),%edx # 0x7e7df1de 3a: f7 c2 00 01 ff 00 test $0xff0100,%edx