IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready Bluetooth: hci12 command 0x0419 tx timeout XFS (loop5): Invalid superblock magic number INFO: task syz-executor.4:10871 blocked for more than 140 seconds. Not tainted 4.14.290-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28912 10871 8038 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 inode_lock include/linux/fs.h:719 [inline] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 filp_close+0x9d/0x140 fs/open.c:1158 __close_fd+0x151/0x230 fs/file.c:639 SYSC_close fs/open.c:1177 [inline] SyS_close+0x42/0x90 fs/open.c:1175 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcf83c85ebb RSP: 002b:00007ffffe755680 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcf83c85ebb RDX: 0000001b31a20000 RSI: 0000001b31a25d00 RDI: 0000000000000004 RBP: 00007fcf83de7980 R08: 0000000000000000 R09: 00000000c07cd304 R10: 001cc879fdf0b6a5 R11: 0000000000000293 R12: 000000000002b344 R13: 00007ffffe755780 R14: 00007fcf83de5f80 R15: 0000000000000032 INFO: task syz-executor.4:10879 blocked for more than 140 seconds. Not tainted 4.14.290-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28696 10879 8038 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline] fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381 fuse_launder_page fs/fuse/file.c:2042 [inline] fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035 do_launder_page mm/truncate.c:609 [inline] invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685 fuse_finish_open+0x262/0x500 fs/fuse/file.c:181 fuse_open_common+0x234/0x290 fs/fuse/file.c:224 do_dentry_open+0x44b/0xec0 fs/open.c:777 vfs_open+0x105/0x220 fs/open.c:888 do_last fs/namei.c:3428 [inline] path_openat+0x628/0x2970 fs/namei.c:3569 do_filp_open+0x179/0x3c0 fs/namei.c:3603 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcf83cd3279 RSP: 002b:00007fcf82627168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fcf83de6050 RCX: 00007fcf83cd3279 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007fcf83d2d189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffffe75561f R14: 00007fcf82627300 R15: 0000000000022000 INFO: task syz-executor.5:10953 blocked for more than 140 seconds. Not tainted 4.14.290-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28912 10953 8036 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 inode_lock include/linux/fs.h:719 [inline] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 filp_close+0x9d/0x140 fs/open.c:1158 __close_fd+0x151/0x230 fs/file.c:639 SYSC_close fs/open.c:1177 [inline] SyS_close+0x42/0x90 fs/open.c:1175 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fbe4bc03ebb RSP: 002b:00007fffdad22cb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbe4bc03ebb RDX: 0000001b31720000 RSI: 00007fbe4b7ccfe8 RDI: 0000000000000004 RBP: 00007fbe4bd65980 R08: 0000000000000000 R09: 00000000c07cd304 R10: 00043e61b7a3879e R11: 0000000000000293 R12: 0000000000038acd R13: 00007fffdad22db0 R14: 00007fbe4bd63f80 R15: 0000000000000032 INFO: task syz-executor.5:10965 blocked for more than 140 seconds. Not tainted 4.14.290-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D29136 10965 8036 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline] fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381 fuse_launder_page fs/fuse/file.c:2042 [inline] fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035 do_launder_page mm/truncate.c:609 [inline] invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685 fuse_finish_open+0x262/0x500 fs/fuse/file.c:181 fuse_open_common+0x234/0x290 fs/fuse/file.c:224 do_dentry_open+0x44b/0xec0 fs/open.c:777 vfs_open+0x105/0x220 fs/open.c:888 do_last fs/namei.c:3428 [inline] path_openat+0x628/0x2970 fs/namei.c:3569 do_filp_open+0x179/0x3c0 fs/namei.c:3603 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fbe4bc51279 RSP: 002b:00007fbe4a5a5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fbe4bd64050 RCX: 00007fbe4bc51279 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007fbe4bcab189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdad22c4f R14: 00007fbe4a5a5300 R15: 0000000000022000 INFO: task syz-executor.4:11230 blocked for more than 140 seconds. Not tainted 4.14.290-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28912 11230 10991 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline] rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 inode_lock include/linux/fs.h:719 [inline] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 filp_close+0x9d/0x140 fs/open.c:1158 __close_fd+0x151/0x230 fs/file.c:639 SYSC_close fs/open.c:1177 [inline] SyS_close+0x42/0x90 fs/open.c:1175 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f615df62ebb RSP: 002b:00007fffec12dcf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f615df62ebb RDX: 0000001b32a20000 RSI: 00007f615db2c770 RDI: 0000000000000004 RBP: 00007f615e0c4980 R08: 0000000000000000 R09: 00000000c07cd304 R10: 0012a3e4b76f261e R11: 0000000000000293 R12: 0000000000039c50 R13: 00007fffec12ddf0 R14: 00007f615e0c2f80 R15: 0000000000000032 INFO: task syz-executor.4:11236 blocked for more than 140 seconds. Not tainted 4.14.290-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29136 11236 10991 0x00000004 Call Trace: context_switch kernel/sched/core.c:2811 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3387 schedule+0x8d/0x1b0 kernel/sched/core.c:3431 fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline] fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381 fuse_launder_page fs/fuse/file.c:2042 [inline] fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035 do_launder_page mm/truncate.c:609 [inline] invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685 fuse_finish_open+0x262/0x500 fs/fuse/file.c:181 fuse_open_common+0x234/0x290 fs/fuse/file.c:224 do_dentry_open+0x44b/0xec0 fs/open.c:777 vfs_open+0x105/0x220 fs/open.c:888 do_last fs/namei.c:3428 [inline] path_openat+0x628/0x2970 fs/namei.c:3569 do_filp_open+0x179/0x3c0 fs/namei.c:3603 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f615dfb0279 RSP: 002b:00007f615c904168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f615e0c3050 RCX: 00007f615dfb0279 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007f615e00a189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffec12dc8f R14: 00007f615c904300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1534: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548 1 lock held by in:imklog/7734: #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0x1fb/0x2b0 fs/file.c:819 2 locks held by kworker/u4:6/10626: #0: ("events_unbound"){+.+.}, at: [] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2088 #1: ((reaper_work).work){+.+.}, at: [] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2092 1 lock held by syz-executor.4/10871: #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 2 locks held by syz-executor.4/10879: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217 1 lock held by syz-executor.5/10953: #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 2 locks held by syz-executor.5/10965: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217 1 lock held by syz-executor.4/11230: #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 2 locks held by syz-executor.4/11236: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217 1 lock held by syz-executor.4/11754: #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 2 locks held by syz-executor.4/11758: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217 1 lock held by syz-executor.5/11781: #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 2 locks held by syz-executor.5/11787: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217 1 lock held by syz-executor.4/12304: #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 2 locks held by syz-executor.4/12310: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217 1 lock held by syz-executor.5/12333: #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423 2 locks held by syz-executor.5/12339: #0: (sb_writers#15){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#15){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1534 Comm: khungtaskd Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5b9/0xb40 kernel/hung_task.c:274 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 1001 Comm: kworker/u4:3 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: bat_events batadv_nc_worker task: ffff8880b38c05c0 task.stack: ffff8880b38c8000 RIP: 0010:__lock_acquire+0x225/0x3f20 kernel/locking/lockdep.c:3396 RSP: 0018:ffff8880b38cfa38 EFLAGS: 00000006 RAX: ffffffff8b9ea040 RBX: 0000000000000000 RCX: 0000000000000002 RDX: 1ffffffff11ef021 RSI: 0000000000000000 RDI: ffffffff88f78108 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: ffff8880b38c05c0 R12: ffffffff88f78100 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8beccd80 FS: 0000000000000000(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555aee0ff8e0 CR3: 000000009e4a4000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:629 [inline] batadv_nc_process_nc_paths.part.0+0xe3/0x350 net/batman-adv/network-coding.c:697 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:689 [inline] batadv_nc_worker+0x956/0xc50 net/batman-adv/network-coding.c:744 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Code: 4b 8d 7c f4 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5e 2a 00 00 4b 8b 44 f4 08 48 85 c0 0f 84 31 ff ff ff f0 ff 80 38 01 00 00 <49> 8d b3 80 08 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f1 48