loop7: detected capacity change from 0 to 264192 Bluetooth: hci2: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:13225] Modules linked in: irq event stamp: 14333171 hardirqs last enabled at (14333170): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (14333171): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (14282038): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (14282041): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 13225 Comm: syz-executor.3 Not tainted 6.1.0-rc5-next-20221114 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__read_once_word_nocheck+0x3/0x10 Code: e9 8b fd ff ff e8 ed 12 6a 00 e9 43 fd ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 07 9c 4e 2d 03 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff88806cf09690 EFLAGS: 00000202 RAX: ffffffff81703dc8 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff8880434efa01 RSI: ffff8880434efa30 RDI: ffff8880434efa30 RBP: ffff88806cf09770 R08: ffffffff860dfd26 R09: ffffffff860dfd2a R10: ffff88806cf09ff8 R11: ffff88806cf09758 R12: ffff88806cf09759 R13: ffff88806cf09778 R14: ffff88806cf09718 R15: ffffffff860dfd2b FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005630efe11a40 CR3: 0000000005426000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0x967/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc_node+0x1f4/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unmap_page_range+0x1c35/0x2c30 Code: 3c 98 48 89 f8 48 c1 e8 03 0f b6 14 28 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 0a 07 00 00 83 ac 9c 10 01 00 00 01 <8b> 5c 24 74 31 ff 89 de e8 0e 0e dc ff 85 db 0f 84 a0 03 00 00 e8 RSP: 0018:ffff8880434ef700 EFLAGS: 00000282 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816cc801 RDI: ffff8880434ef810 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803f3a11f8 R13: ffffea0000d29b40 R14: ffffea0000d29b40 R15: ffff8880434efad8 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7efff07f8b19 Code: Unable to access opcode bytes at 0x7efff07f8aef. RSP: 002b:00007effedd6e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 00007efff090bf60 RCX: 00007efff07f8b19 RDX: 0000000000004042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007efff0852f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0036cd9f R14: 00007effedd6e300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: e9 8b fd ff ff jmpq 0xfffffd90 5: e8 ed 12 6a 00 callq 0x6a12f7 a: e9 43 fd ff ff jmpq 0xfffffd52 f: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 16: 00 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 48 8b 07 mov (%rdi),%rax * 2a: e9 9c 4e 2d 03 jmpq 0x32d4ecb <-- trapping instruction 2f: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 36: 00 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop