ntfs: (device loop3): is_boot_sector_ntfs(): Invalid end of sector marker. ntfs: (device loop0): ntfs_read_inode_mount(): Failed. Marking inode as bad. ntfs: (device loop3): ntfs_read_inode_mount(): MST fixup failed. $MFT is corrupt. Dev loop2: unable to read RDB block 1 loop2: unable to read partition table INFO: task kworker/1:0:19 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 loop2: partition table beyond EOD, truncated Dev loop1: unable to read RDB block 1 loop1: unable to read partition table ntfs: (device loop5): is_boot_sector_ntfs(): Invalid end of sector marker. ntfs: (device loop0): ntfs_fill_super(): Failed to load essential metadata. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ntfs: (device loop3): ntfs_read_inode_mount(): Failed. Marking inode as bad. loop_reread_partitions: partition scan of loop2 () failed (rc=-5) loop1: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop1 () failed (rc=-5) kworker/1:0 D25152 19 2 0x80000000 ntfs: (device loop5): ntfs_read_inode_mount(): MST fixup failed. $MFT is corrupt. Workqueue: usb_hub_wq hub_event ntfs: (device loop3): ntfs_fill_super(): Failed to load essential metadata. 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 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:697 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:692 usb_start_wait_urb+0x252/0x4c0 drivers/usb/core/message.c:63 usb_internal_control_msg drivers/usb/core/message.c:101 [inline] usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152 usb_get_descriptor+0xc5/0x1b0 drivers/usb/core/message.c:654 usb_get_device_descriptor+0x81/0xf0 drivers/usb/core/message.c:926 hub_port_init+0x74b/0x3120 drivers/usb/core/hub.c:4799 hub_port_connect drivers/usb/core/hub.c:5070 [inline] hub_port_connect_change drivers/usb/core/hub.c:5253 [inline] port_event drivers/usb/core/hub.c:5361 [inline] hub_event+0x1ccd/0x44a0 drivers/usb/core/hub.c:5441 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Showing all locks held in the system: 5 locks held by kworker/1:0/19: #0: 00000000245c3bab ((wq_completion)"usb_hub_wq"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000000c246080 ((work_completion)(&hub->events)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000063a707e8 (&dev->mutex){....}, at: device_lock include/linux/device.h:1174 [inline] #2: 0000000063a707e8 (&dev->mutex){....}, at: hub_event+0x11e/0x44a0 drivers/usb/core/hub.c:5387 #3: 00000000f1514271 (&port_dev->status_lock){+.+.}, at: usb_lock_port drivers/usb/core/hub.c:2983 [inline] #3: 00000000f1514271 (&port_dev->status_lock){+.+.}, at: hub_port_connect drivers/usb/core/hub.c:5069 [inline] #3: 00000000f1514271 (&port_dev->status_lock){+.+.}, at: hub_port_connect_change drivers/usb/core/hub.c:5253 [inline] #3: 00000000f1514271 (&port_dev->status_lock){+.+.}, at: port_event drivers/usb/core/hub.c:5361 [inline] #3: 00000000f1514271 (&port_dev->status_lock){+.+.}, at: hub_event+0x1cb8/0x44a0 drivers/usb/core/hub.c:5441 #4: 000000004d1a3af3 (hcd->address0_mutex){+.+.}, at: hub_port_init+0x1b9/0x3120 drivers/usb/core/hub.c:4578 1 lock held by khungtaskd/1570: #0: 00000000a151f14c (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7805: 5 locks held by syz-executor.4/8154: #0: 000000005572c990 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 000000005572c990 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 Dev loop1: unable to read RDB block 1 loop1: unable to read partition table loop1: partition table beyond EOD, truncated #1: 000000003911fc93 (&obj_hash[i].lock){-.-.}, at: debug_object_activate+0x12f/0x450 lib/debugobjects.c:472 loop_reread_partitions: partition scan of loop1 () failed (rc=-5) #2: 00000000a151f14c (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #2: 00000000a151f14c (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #3: 00000000ebb61b86 (&mm->context.lock){+.+.}, at: ldt_dup_context+0x38/0x260 arch/x86/kernel/ldt.c:367 #4: 00000000a0975e36 (&(ptlock_ptr(page))->rlock#2/1){+.+.}, at: copy_pte_range mm/memory.c:1094 [inline] #4: 00000000a0975e36 (&(ptlock_ptr(page))->rlock#2/1){+.+.}, at: copy_pmd_range mm/memory.c:1165 [inline] #4: 00000000a0975e36 (&(ptlock_ptr(page))->rlock#2/1){+.+.}, at: copy_pud_range mm/memory.c:1199 [inline] #4: 00000000a0975e36 (&(ptlock_ptr(page))->rlock#2/1){+.+.}, at: copy_p4d_range mm/memory.c:1221 [inline] #4: 00000000a0975e36 (&(ptlock_ptr(page))->rlock#2/1){+.+.}, at: copy_page_range+0xdc1/0x2ff0 mm/memory.c:1283 Dev loop2: unable to read RDB block 1 loop2: unable to read partition table 2 locks held by systemd-udevd/12825: #0: 00000000200d3322 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 #1: 0000000085dfba60 (loop_ctl_mutex){+.+.}, at: lo_open+0x19/0xd0 drivers/block/loop.c:1771 loop2: partition table beyond EOD, truncated 2 locks held by systemd-udevd/12826: loop_reread_partitions: partition scan of loop2 () failed (rc=-5) #0: 000000003b10bf06 (&bdev->bd_mutex){+.+.}, at: __blkdev_put+0xfc/0x870 fs/block_dev.c:1806 #1: 0000000085dfba60 (loop_ctl_mutex){+.+.}, at: lo_release+0x1a/0x1f0 drivers/block/loop.c:1790 1 lock held by systemd-udevd/12832: #0: 000000005572c990 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 000000005572c990 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 1 lock held by systemd-udevd/12833: #0: 00000000e50eb5db (&bdev->bd_mutex){+.+.}, at: blkdev_put+0x30/0x520 fs/block_dev.c:1839 1 lock held by syz-executor.2/21541: #0: 0000000085dfba60 (loop_ctl_mutex){+.+.}, at: __loop_clr_fd+0x88/0xe50 drivers/block/loop.c:1080 2 locks held by syz-executor.3/21552: #0: 000000003b10bf06 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 #1: 0000000085dfba60 (loop_ctl_mutex){+.+.}, at: lo_open+0x19/0xd0 drivers/block/loop.c:1771 2 locks held by syz-executor.5/21551: #0: 00000000e50eb5db (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 #1: 0000000085dfba60 (loop_ctl_mutex){+.+.}, at: lo_open+0x19/0xd0 drivers/block/loop.c:1771 2 locks held by syz-executor.0/21555: #0: 00000000200d3322 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 #1: 000000005df83e08 (tk_core.seq){----}, at: is_bpf_text_address+0x0/0x1b0 kernel/bpf/core.c:533 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-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+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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9459 Comm: kworker/u4:5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy12 ieee80211_iface_work RIP: 0010:deref_stack_reg+0x28/0x1d0 arch/x86/kernel/unwind_orc.c:330 Code: 00 00 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 49 89 d5 41 54 49 89 fc 55 48 89 f5 53 48 83 ec 68 48 c7 44 24 08 b3 8a b5 41 <48> 8d 5c 24 08 48 c7 44 24 10 35 af b6 89 48 c1 eb 03 48 c7 44 24 RSP: 0018:ffff888051e2ef58 EFLAGS: 00000292 RAX: dffffc0000000000 RBX: 1ffff1100a3c5e07 RCX: ffff888051e2f450 RDX: ffff888051e2f168 RSI: ffff888051e2f5e8 RDI: ffff888051e2f120 RBP: ffff888051e2f5e8 R08: ffffffff8c0735ca R09: ffffffff8c0735c6 R10: ffff888051e2f17f R11: 0000000000074071 R12: ffff888051e2f120 R13: ffff888051e2f168 R14: ffff888051e2f120 R15: ffffffff8c0735c6 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbd4b38b000 CR3: 00000000b5216000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0x9fc/0x1400 arch/x86/kernel/unwind_orc.c:502 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 __do_kmalloc mm/slab.c:3727 [inline] __kmalloc+0x15a/0x3c0 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] kzalloc include/linux/slab.h:709 [inline] cfg80211_inform_bss_frame_data+0x200/0xeb0 net/wireless/scan.c:1255 ieee80211_bss_info_update+0x42d/0x1800 net/mac80211/scan.c:105 ieee80211_rx_bss_info net/mac80211/ibss.c:1125 [inline] ieee80211_rx_mgmt_probe_beacon+0xb4f/0x15c0 net/mac80211/ibss.c:1607 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 9: fc ff df c: 41 56 push %r14 e: 41 55 push %r13 10: 49 89 d5 mov %rdx,%r13 13: 41 54 push %r12 15: 49 89 fc mov %rdi,%r12 18: 55 push %rbp 19: 48 89 f5 mov %rsi,%rbp 1c: 53 push %rbx 1d: 48 83 ec 68 sub $0x68,%rsp 21: 48 c7 44 24 08 b3 8a movq $0x41b58ab3,0x8(%rsp) 28: b5 41 * 2a: 48 8d 5c 24 08 lea 0x8(%rsp),%rbx <-- trapping instruction 2f: 48 c7 44 24 10 35 af movq $0xffffffff89b6af35,0x10(%rsp) 36: b6 89 38: 48 c1 eb 03 shr $0x3,%rbx 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: 44 rex.R 3f: 24 .byte 0x24