squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop2 Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:20334] Modules linked in: irq event stamp: 3526697 hardirqs last enabled at (3526696): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3526697): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3504498): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3504501): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3504501): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 20334 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:unwind_next_frame+0x4ee/0x1400 arch/x86/kernel/unwind_orc.c:435 Code: 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e db 0b 00 00 41 c7 06 00 00 00 00 31 c0 e9 a4 fb ff ff <48> ba 00 00 00 00 00 fc ff df 4c 89 c6 49 8d 48 01 48 c1 ee 03 0f RSP: 0018:ffff8880ba007730 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000015 RBX: 1ffff11017400eef RCX: ffffffff818e75f7 RDX: 0000000000000004 RSI: ffffffff8b990dc0 RDI: ffffffff8b387634 RBP: 0000000000000001 R08: ffffffff8b990dc4 R09: ffffffff8b990dc0 R10: ffff8880ba0078bf R11: 0000000000074071 R12: ffff8880ba0078a8 R13: ffff8880ba007895 R14: ffff8880ba007860 R15: ffffffff8b990dc0 FS: 00007f0695a01700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa465005000 CR3: 0000000051152000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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 kmem_cache_alloc_node_trace+0x151/0x3b0 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 skb_copy+0x139/0x2f0 net/core/skbuff.c:1358 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __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:zap_pte_range mm/memory.c:1340 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1463 [inline] RIP: 0010:zap_pud_range mm/memory.c:1492 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1513 [inline] RIP: 0010:unmap_page_range+0x1299/0x2c50 mm/memory.c:1534 Code: 48 85 db 0f 85 90 0d 00 00 e8 f3 e6 d6 ff 49 8d 7c 24 18 48 89 fa 48 c1 ea 03 42 80 3c 32 00 0f 85 7a 16 00 00 49 8b 5c 24 18 <31> ff 83 e3 01 89 de e8 fb e7 d6 ff 84 db 75 4a e8 c2 e6 d6 ff 31 RSP: 0018:ffff88802dce7850 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8880544a0600 RBX: ffff88809ebfd4c9 RCX: ffffffff818b9e6f RDX: 1ffffd40001ab003 RSI: ffffffff818b9e7d RDI: ffffea0000d58018 RBP: ffffea0000d59348 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffea0000d58000 R13: ffffea0000d59340 R14: dffffc0000000000 R15: 000000002004e000 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 unmap_region+0x241/0x3a0 mm/mmap.c:2571 do_munmap+0x603/0xde0 mm/mmap.c:2781 mmap_region+0x2a3/0x16b0 mm/mmap.c:1700 do_mmap+0x8e8/0x1080 mm/mmap.c:1530 do_mmap_pgoff include/linux/mm.h:2329 [inline] do_shmat+0xd85/0xff0 ipc/shm.c:1535 __do_sys_shmat ipc/shm.c:1570 [inline] __se_sys_shmat ipc/shm.c:1565 [inline] __x64_sys_shmat+0xcc/0x160 ipc/shm.c:1565 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f069708d5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0695a01168 EFLAGS: 00000246 ORIG_RAX: 000000000000001e RAX: ffffffffffffffda RBX: 00007f06971aef80 RCX: 00007f069708d5a9 RDX: ffffffffffffdfff RSI: 0000000020000000 RDI: 0000000000030005 RBP: 00007f06970e8580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8f68a4af R14: 00007f0695a01300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60