Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.7:4227] Modules linked in: irq event stamp: 4284261 hardirqs last enabled at (4284260): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4284261): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (4266844): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4266847): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4227 Comm: syz-executor.7 Not tainted 5.10.123 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:call_rcu+0x266/0xa00 kernel/rcu/tree.c:3042 Code: 85 33 06 00 00 8b 85 28 01 00 00 65 ff 0d 92 9d d4 7e a8 02 0f 84 77 01 00 00 48 83 7c 24 08 00 0f 85 d0 00 00 00 ff 34 24 9d <48> 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 4c 89 c7 4c 89 44 24 RSP: 0018:ffff88806ce09a48 EFLAGS: 00000246 RAX: 0000000000415f2c RBX: ffff888048050230 RCX: 1ffffffff0cb0212 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812dd31e RBP: ffff88806ce3c0f0 R08: 0000000000000001 R09: ffffffff865526df R10: fffffbfff0caa4db R11: 0000000000000001 R12: 00000000000006db R13: ffff88806ce3c000 R14: ffff88806ce3c0e0 R15: ffff88806ce3c098 FS: 00007f33ac7aa700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055773c15c0a8 CR3: 000000001a7ea000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kmemleak_free_recursive include/linux/kmemleak.h:49 [inline] slab_free_hook mm/slub.c:1517 [inline] slab_free_freelist_hook+0x13a/0x180 mm/slub.c:1576 slab_free mm/slub.c:3149 [inline] kmem_cache_free+0xa7/0x310 mm/slub.c:3165 __skb_ext_put+0x120/0x2d0 net/core/skbuff.c:6380 skb_ext_reset include/linux/skbuff.h:4239 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x104f/0x13c0 drivers/net/wireless/mac80211_hwsim.c:1427 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1712 mac80211_hwsim_beacon_tx+0x494/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1766 __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1789 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x867 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:crc32_body+0xc6/0x600 lib/crc32.c:110 Code: 03 38 c8 7c 08 84 c9 0f 85 1a 05 00 00 41 8b 47 04 31 d8 0f b6 c8 49 8d 9c 8d 00 1c 00 00 48 89 d9 48 c1 e9 03 42 0f b6 34 21 <48> 89 d9 83 e1 07 83 c1 03 40 38 f1 7c 09 40 84 f6 0f 85 d1 04 00 RSP: 0018:ffff8880469f6f28 EFLAGS: 00000212 RAX: 000000001ebc8da0 RBX: ffffffff843b9cc0 RCX: 1ffffffff0877398 RDX: 0000000000040000 RSI: 0000000000000000 RDI: ffff888036d24aa4 RBP: 000000000000000f R08: 0000000000000000 R09: 00000000a975a78a R10: 000000000000000f R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff843b7e40 R14: 0000000000000004 R15: ffff888036d24aa0 chksum_update+0x4c/0xb0 crypto/crc32c_generic.c:88 crypto_shash_update+0xca/0x120 crypto/shash.c:131 ext4_chksum fs/ext4/ext4.h:2297 [inline] ext4_inode_csum+0x653/0x8f0 fs/ext4/inode.c:76 ext4_inode_csum_set fs/ext4/inode.c:114 [inline] ext4_inode_csum_set+0x169/0x360 fs/ext4/inode.c:104 ext4_do_update_inode fs/ext4/inode.c:5187 [inline] ext4_mark_iloc_dirty+0x18d0/0x3620 fs/ext4/inode.c:5776 __ext4_mark_inode_dirty+0x206/0x800 fs/ext4/inode.c:5970 ext4_dirty_inode+0xf3/0x130 fs/ext4/inode.c:6006 __mark_inode_dirty+0x492/0xf10 fs/fs-writeback.c:2249 mark_inode_dirty_sync include/linux/fs.h:2188 [inline] dquot_claim_block include/linux/quotaops.h:364 [inline] ext4_da_update_reserve_space+0x4b6/0x6d0 fs/ext4/inode.c:380 ext4_ext_map_blocks+0x13c1/0x5b90 fs/ext4/extents.c:4330 ext4_map_blocks+0x652/0x1970 fs/ext4/inode.c:637 mpage_map_one_extent fs/ext4/inode.c:2414 [inline] mpage_map_and_submit_extent fs/ext4/inode.c:2467 [inline] ext4_writepages+0x1ad4/0x3590 fs/ext4/inode.c:2835 do_writepages+0xee/0x290 mm/page-writeback.c:2352 __filemap_fdatawrite_range+0x247/0x2f0 mm/filemap.c:422 filemap_write_and_wait_range mm/filemap.c:655 [inline] filemap_write_and_wait_range+0x65/0x100 mm/filemap.c:649 ext4_punch_hole+0x47a/0x1210 fs/ext4/inode.c:4059 ext4_fallocate+0x8b3/0x3c70 fs/ext4/extents.c:4696 vfs_fallocate+0x48f/0xcb0 fs/open.c:309 ksys_fallocate fs/open.c:332 [inline] __do_sys_fallocate fs/open.c:340 [inline] __se_sys_fallocate fs/open.c:338 [inline] __x64_sys_fallocate+0xcf/0x140 fs/open.c:338 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f33af234b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f33ac7aa188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f33af347f60 RCX: 00007f33af234b19 RDX: 000000000000e3ff RSI: 0000000000000003 RDI: 0000000000000004 RBP: 00007f33af28ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf0175edf R14: 00007f33ac7aa300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x10 arch/x86/kernel/process.c:689 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 33 06 xor (%rsi),%eax 2: 00 00 add %al,(%rax) 4: 8b 85 28 01 00 00 mov 0x128(%rbp),%eax a: 65 ff 0d 92 9d d4 7e decl %gs:0x7ed49d92(%rip) # 0x7ed49da3 11: a8 02 test $0x2,%al 13: 0f 84 77 01 00 00 je 0x190 19: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1f: 0f 85 d0 00 00 00 jne 0xf5 25: ff 34 24 pushq (%rsp) 28: 9d popfq * 29: 48 83 c4 28 add $0x28,%rsp <-- trapping instruction 2d: 5b pop %rbx 2e: 5d pop %rbp 2f: 41 5c pop %r12 31: 41 5d pop %r13 33: 41 5e pop %r14 35: 41 5f pop %r15 37: c3 retq 38: 4c 89 c7 mov %r8,%rdi 3b: 4c rex.WR 3c: 89 .byte 0x89 3d: 44 rex.R 3e: 24 .byte 0x24