INFO: task syz-executor.0:8567 blocked for more than 143 seconds. Not tainted 5.9.0-rc6-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:29136 pid: 8567 ppid: 6923 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:3778 [inline] __schedule+0xec9/0x2280 kernel/sched/core.c:4527 schedule+0xd0/0x2a0 kernel/sched/core.c:4602 rwsem_down_write_slowpath+0x603/0xc60 kernel/locking/rwsem.c:1235 __down_write kernel/locking/rwsem.c:1389 [inline] down_write+0x137/0x150 kernel/locking/rwsem.c:1532 inode_lock include/linux/fs.h:779 [inline] vfs_setxattr+0xc7/0x270 fs/xattr.c:282 setxattr+0x23d/0x330 fs/xattr.c:548 path_setxattr+0x170/0x190 fs/xattr.c:567 __do_sys_setxattr fs/xattr.c:582 [inline] __se_sys_setxattr fs/xattr.c:578 [inline] __x64_sys_setxattr+0xc0/0x160 fs/xattr.c:578 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e179 Code: Bad RIP value. RSP: 002b:00007fab88af1c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 0000000000032500 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 00000000200000c0 RBP: 000000000118d0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d09c R13: 00007ffee1bd3eaf R14: 00007fab88af29c0 R15: 000000000118d09c Showing all locks held in the system: 1 lock held by khungtaskd/1169: #0: ffffffff8a067f00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5852 1 lock held by in:imklog/6578: #0: ffff8880a6208370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 3 locks held by rs:main Q:Reg/6579: #0: ffff8880ae535e18 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1292 [inline] #0: ffff8880ae535e18 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x287/0x2280 kernel/sched/core.c:4445 #1: ffff8880ae520ec8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x305/0x440 kernel/sched/psi.c:833 #2: ffff88808a72d5c8 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #2: ffff88808a72d5c8 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: ext4_buffered_write_iter+0xb3/0x4a0 fs/ext4/file.c:263 2 locks held by syz-executor.1/8394: #0: ffff888087fc4450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888087fc4450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88807991c250 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88807991c250 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/8417: #0: ffff888078ef4450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888078ef4450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880799522d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880799522d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/8536: #0: ffff888093a7c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888093a7c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084c147d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084c147d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/8539: #0: ffff888093a06450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888093a06450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084f54150 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084f54150 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/8548: #0: ffff8880916ca450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880916ca450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084f691d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084f691d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/8556: #0: ffff8880942ae450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880942ae450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084f2f850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084f2f850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/8567: #0: ffff888093a7c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888093a7c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084c147d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084c147d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/8750: #0: ffff8880a2148450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a2148450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084fc7190 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084fc7190 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/9572: #0: ffff888073db8450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888073db8450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084f80910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084f80910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/9797: #0: ffff888076074450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888076074450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079ae62d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079ae62d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/9977: #0: ffff888085c70450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888085c70450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079933290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079933290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/10374: #0: ffff88807761e450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88807761e450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079af19d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079af19d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/10428: #0: ffff88807451c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88807451c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079951950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079951950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/10431: #0: ffff88809ecf4450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809ecf4450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079a16250 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079a16250 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/10558: #0: ffff8880706bc450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880706bc450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079ad37d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079ad37d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/10576: #0: ffff88809941a450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809941a450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079a821d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079a821d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/10592: #0: ffff888078c44450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888078c44450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079813a50 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079813a50 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/10738: #0: ffff8880a8130450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a8130450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079b6c210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079b6c210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/10886: #0: ffff8880a6280450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a6280450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079bc4a90 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079bc4a90 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/10902: #0: ffff8880a5f66450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a5f66450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079bc4450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079bc4450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/11277: #0: ffff88808abce450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88808abce450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880799d08d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880799d08d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/11499: #0: ffff88809652c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809652c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f4d3950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f4d3950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/11599: #0: ffff88809ed0e450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809ed0e450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f503410 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f503410 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/11688: #0: ffff888075e6e450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888075e6e450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f45b350 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f45b350 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.4/11702: #0: ffff888075f92450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888075f92450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f57c8d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f57c8d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/11706: #0: ffff888075d4a450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888075d4a450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f4ea210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f4ea210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/11717: #0: ffff888075d8c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888075d8c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f4f8910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f4f8910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.4/11721: #0: ffff8880776ee450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880776ee450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f582950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f582950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/11960: #0: ffff888085d3a450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888085d3a450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88807980d890 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88807980d890 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/12098: #0: ffff88809170c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809170c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f412290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f412290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/12185: #0: ffff888094a48450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888094a48450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f5ad810 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f5ad810 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/12324: #0: ffff888075c58450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888075c58450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888079b71910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888079b71910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/12842: #0: ffff8880a6ec2450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a6ec2450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f72f910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f72f910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/12891: #0: ffff888070548450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888070548450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f4ea850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f4ea850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/12975: #0: ffff8880768b6450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880768b6450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f654790 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f654790 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/12981: #0: ffff888051a6e450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888051a6e450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f6a1250 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f6a1250 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/13198: #0: ffff88809086a450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809086a450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f664990 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f664990 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.1/13399: #0: ffff88809e594450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809e594450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f59da10 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f59da10 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/13943: #0: ffff88808b16c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88808b16c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f7fa9d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f7fa9d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/13958: #0: ffff88808b33e450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88808b33e450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888084f54790 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888084f54790 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/13966: #0: ffff8880934f6450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880934f6450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880454b2a10 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880454b2a10 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/14405: #0: ffff888095c3c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888095c3c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880455e6450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880455e6450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.1/14711: #0: ffff888078c00450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888078c00450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888045692350 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888045692350 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/14825: #0: ffff888076924450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888076924450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880454a6290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880454a6290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/15372: #0: ffff8880902e4450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880902e4450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88804579b450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88804579b450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.4/15665: #0: ffff8880a2b3a450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a2b3a450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880457fd450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880457fd450 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/15668: #0: ffff8880a5f68450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a5f68450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880457fc410 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880457fc410 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/15705: #0: ffff8880a2238450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a2238450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f7ef990 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f7ef990 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.4/16044: #0: ffff888092114450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888092114450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880457653d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880457653d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/16295: #0: ffff888070a60450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888070a60450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bcba950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bcba950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/16394: #0: ffff888051bae450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888051bae450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bd557d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bd557d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/16713: #0: ffff888037dca450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888037dca450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802be03850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802be03850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.4/16765: #0: ffff8880a409c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880a409c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bc11290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bc11290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/16798: #0: ffff8880288ea450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880288ea450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bde3190 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bde3190 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/16807: #0: ffff888098ce2450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888098ce2450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802be40310 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802be40310 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.4/17126: #0: ffff88809e314450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809e314450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880457e9910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880457e9910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.1/17127: #0: ffff88808ec48450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88808ec48450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802be03210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802be03210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/17173: #0: ffff88807937c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88807937c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bdfe810 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bdfe810 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/17584: #0: ffff888021cda450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888021cda450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bdb4990 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bdb4990 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.1/17589: #0: ffff888085b00450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888085b00450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bdaa910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bdaa910 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.1/17615: #0: ffff88809bc08450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88809bc08450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bf64210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bf64210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/17701: #0: ffff88805c758450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88805c758450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880457fe790 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880457fe790 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/18045: #0: ffff8880935d0450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880935d0450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bf80290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bf80290 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.1/18062: #0: ffff88808b10c450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88808b10c450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802be9f9d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802be9f9d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.0/18663: #0: ffff888087520450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888087520450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888014892950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888014892950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.2/18770: #0: ffff8880777ae450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff8880777ae450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bd3a9d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bd3a9d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.4/18803: #0: ffff88801af0a450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88801af0a450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88802bf577d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88802bf577d0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/18804: #0: ffff88805a7e4450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88805a7e4450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88805f7b0810 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88805f7b0810 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/18836: #0: ffff88808ed9a450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff88808ed9a450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff88801487b950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff88801487b950 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.3/19068: #0: ffff888028884450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888028884450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff888014904850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff888014904850 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 2 locks held by syz-executor.5/19109: #0: ffff888058eaa450 (sb_writers#14){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1643 [inline] #0: ffff888058eaa450 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:354 #1: ffff8880149a8210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:779 [inline] #1: ffff8880149a8210 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: vfs_setxattr+0xc7/0x270 fs/xattr.c:282 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1169 Comm: khungtaskd Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x223 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline] watchdog+0xd7d/0x1000 kernel/hung_task.c:295 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7300 Comm: kworker/u4:1 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy6 ieee80211_iface_work RIP: 0010:wake_up_process+0x0/0x10 kernel/sched/core.c:3048 Code: 04 24 e8 93 ee 64 00 4c 8b 04 24 e9 cc f3 ff ff 4c 89 04 24 e8 81 ee 64 00 4c 8b 04 24 e9 34 f4 ff ff 0f 1f 84 00 00 00 00 00 <31> d2 be 03 00 00 00 e9 a4 ec ff ff 0f 1f 40 00 48 b8 00 00 00 00 RSP: 0018:ffffc9000805fd08 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff88809c0dad00 RCX: ffffffff814d6c38 RDX: 1ffff1101381b5a7 RSI: ffffffff814d6c7c RDI: ffff888085e14140 RBP: ffff8880a81995f0 R08: 0000000000000000 R09: ffff8880aa071bc3 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880aa071bc0 R13: ffff8880a8199600 R14: ffff88809495a600 R15: ffff8880aa071800 FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f76223ac000 CR3: 00000000929c3000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wake_up_worker kernel/workqueue.c:837 [inline] process_one_work+0x764/0x1670 kernel/workqueue.c:2232 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294