IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready Bluetooth: hci7: command 0x0409 tx timeout Bluetooth: hci7: command 0x041b tx timeout Bluetooth: hci7: command 0x040f tx timeout Bluetooth: hci7: command 0x0419 tx timeout INFO: task syz-executor.5:29237 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28648 29237 8125 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 filp_close+0xb4/0x160 fs/open.c:1162 __close_fd+0x133/0x200 fs/file.c:636 __do_sys_close fs/open.c:1181 [inline] __se_sys_close fs/open.c:1179 [inline] __x64_sys_close+0x69/0x100 fs/open.c:1179 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc4d0a8540b Code: Bad RIP value. RSP: 002b:00007ffe2fc99c90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc4d0a8540b RDX: 0000001b2f120000 RSI: 0000001b2f126d64 RDI: 0000000000000004 RBP: 00007fc4d0bf5980 R08: 0000000000000000 R09: 000000003253460c R10: 0015a0b913b5ed7e R11: 0000000000000293 R12: 00000000000b9b94 R13: 00007ffe2fc99d90 R14: 00007fc4d0bf4120 R15: 0000000000000032 INFO: task syz-executor.5:29238 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D27752 29238 8125 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 fuse_wait_on_page_writeback fs/fuse/file.c:383 [inline] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 fs/fuse/file.c:379 fuse_launder_page fs/fuse/file.c:2033 [inline] fuse_launder_page+0xb6/0xe0 fs/fuse/file.c:2026 do_launder_page mm/truncate.c:655 [inline] invalidate_inode_pages2_range+0x795/0x1110 mm/truncate.c:725 fuse_finish_open+0x2e2/0x590 fs/fuse/file.c:182 fuse_open_common+0x236/0x2c0 fs/fuse/file.c:222 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc4d0ad3639 Code: Bad RIP value. RSP: 002b:00007fc4cf046168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fc4d0bf3f80 RCX: 00007fc4d0ad3639 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007fc4d0b2eae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2fc99c2f R14: 00007fc4cf046300 R15: 0000000000022000 INFO: task syz-executor.5:29243 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28032 29243 8125 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 io_schedule+0xb5/0x120 kernel/sched/core.c:5181 wait_on_page_bit_common mm/filemap.c:1123 [inline] __lock_page+0x316/0x460 mm/filemap.c:1296 lock_page include/linux/pagemap.h:484 [inline] invalidate_inode_pages2_range+0xb3f/0x1110 mm/truncate.c:713 fuse_finish_open+0x2e2/0x590 fs/fuse/file.c:182 fuse_open_common+0x254/0x2c0 fs/fuse/file.c:222 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc4d0ad3639 Code: Bad RIP value. RSP: 002b:00007fc4cf025168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fc4d0bf4050 RCX: 00007fc4d0ad3639 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007fc4d0b2eae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2fc99c2f R14: 00007fc4cf025300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 00000000dba3d37e (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7825: 1 lock held by syz-executor.5/29237: #0: 00000000f7ec06a4 (&sb->s_type->i_mutex_key#24){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 00000000f7ec06a4 (&sb->s_type->i_mutex_key#24){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.5/29243: #0: 000000001ef49edd (sb_writers#18){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000001ef49edd (sb_writers#18){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 00000000f7ec06a4 (&sb->s_type->i_mutex_key#24){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000f7ec06a4 (&sb->s_type->i_mutex_key#24){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.5/29632: #0: 0000000078454bcf (&sb->s_type->i_mutex_key#24){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 0000000078454bcf (&sb->s_type->i_mutex_key#24){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.5/29638: #0: 00000000d4cfb9fb (sb_writers#18){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000d4cfb9fb (sb_writers#18){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 0000000078454bcf (&sb->s_type->i_mutex_key#24){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 0000000078454bcf (&sb->s_type->i_mutex_key#24){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 1 lock held by syz-executor.5/29986: #0: 000000003f6ff053 (&sb->s_type->i_mutex_key#24){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 000000003f6ff053 (&sb->s_type->i_mutex_key#24){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.5/29992: #0: 00000000691f40a8 (sb_writers#18){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000691f40a8 (sb_writers#18){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 000000003f6ff053 (&sb->s_type->i_mutex_key#24){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 000000003f6ff053 (&sb->s_type->i_mutex_key#24){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4695 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:___bpf_prog_run+0x7c/0x4e80 kernel/bpf/core.c:1065 Code: 0f b6 04 18 38 d0 7f 08 84 c0 0f 85 f7 38 00 00 45 0f b6 3e 4a 8d 3c fd 60 b4 6f 88 4c 89 fe 48 89 f8 48 c1 e8 03 80 3c 18 00 <0f> 85 c7 38 00 00 43 ff 24 fc e8 45 4e f6 ff 49 8d 7e 01 48 89 f8 RSP: 0018:ffff8880a091fa30 EFLAGS: 00000246 RAX: 1ffffffff10df6e9 RBX: dffffc0000000000 RCX: ffff8880a091fe70 RDX: 0000000000000000 RSI: 000000000000005d RDI: ffffffff886fb748 RBP: ffff8880a091fb00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffffff886fb460 R13: ffffed1014123f62 R14: ffffc90001ad4060 R15: 000000000000005d FS: 00007fcde147b8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcdde93b000 CR3: 00000000a153d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: