hpfs: Bad magic ... probably not HPFS watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:17475] Modules linked in: irq event stamp: 2865623 hardirqs last enabled at (2865622): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2865623): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2401602): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2401605): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2401605): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 17475 Comm: syz-executor.2 Not tainted 4.19.201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:call_timer_fn+0x255/0x700 kernel/time/timer.c:1315 Code: df 81 e2 00 00 00 80 09 ea 65 0f b1 15 a4 56 ae 7e 41 89 c4 89 c6 e8 0a fb 0e 00 44 39 e3 75 cf e8 10 fa 0e 00 4c 8b 6c 24 08 <48> b8 00 00 00 00 00 fc ff df 49 01 c5 41 c7 45 00 00 00 00 00 41 RSP: 0018:ffff8880ba007d28 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffff88802bb96640 RBX: 0000000000000102 RCX: ffffffff81538824 RDX: 0000000000000100 RSI: ffffffff81538880 RDI: 0000000000000004 RBP: 0000000000000102 R08: 0000000000000000 R09: 0000000000000102 R10: 0000000000000004 R11: 0000000000000000 R12: ffff8880ba007d58 R13: 1ffff11017400fa7 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f15ff58a700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) CR2: 0000000002164708 CR3: 000000003027c000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:166 [inline] RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0xba/0x170 mm/kasan/kasan.c:267 Code: 00 74 f1 48 8d 50 08 eb 09 48 83 c0 01 48 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 <48> 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 80 38 00 74 f2 eb d8 41 RSP: 0018:ffff888016ce76f0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 ieee802154 phy0 wpan0: encryption failed: -22 RAX: ffffed1017404552 RBX: ffffed1017404553 RCX: ffffffff81518ab3 ieee802154 phy1 wpan1: encryption failed: -22 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8880ba022a90 RBP: ffffed1017404552 R08: 0000000000000000 R09: ffffed1017404552 R10: ffff8880ba022a93 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dead000000000100 R15: 00007f1600079000 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] rcu_is_watching+0x53/0xc0 kernel/rcu/tree.c:1025 rcu_read_unlock include/linux/rcupdate.h:677 [inline] __unlock_page_memcg+0x72/0x100 mm/memcontrol.c:1955 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 Code: Bad RIP value. RSP: 002b:00007f15ff58a188 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: fffffffffffffdfe RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffe450f86bf R14: 00007f15ff58a300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 17507 Comm: syz-executor.4 Not tainted 4.19.201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:261 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x1db/0x420 kernel/smp.c:302 Code: 00 e8 a9 03 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 a1 f9 ff ff 41 89 c5 eb 07 e8 87 03 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 e2 04 0a 00 45 85 e4 RSP: 0018:ffff88801746f540 EFLAGS: 00000293 RAX: ffff888093928480 RBX: 1ffff11002e8deac RCX: ffffffff81587f1e RDX: 0000000000000000 RSI: ffffffff81587f09 RDI: 0000000000000005 RBP: ffff88801746f618 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000002e75848 CR3: 0000000009e6d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x743/0x8d0 kernel/smp.c:434 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline] flush_tlb_mm_range+0x179/0x320 arch/x86/mm/tlb.c:728 tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:147 [inline] zap_pte_range mm/memory.c:1406 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x23ac/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4663a7 Code: Bad RIP value. RSP: 002b:00007fedd480cfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 0000000020001e80 RCX: 00000000004663a7 RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000004 RBP: 00007fedd480d6bc R08: 00007fedd480d040 R09: 0000000020000340 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000016 R14: 00007fedd480d000 R15: 0000000020001f80