watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:6702] Modules linked in: irq event stamp: 4765213 hardirqs last enabled at (4765212): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4765213): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4724414): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4724417): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 6702 Comm: syz-executor.1 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__is_insn_slot_addr+0x7c/0x250 Code: 40 84 ed 0f 84 fd 00 00 00 e8 80 83 ff ff 4c 8d b3 a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 <0f> 85 bf 01 00 00 48 8b 9b a8 00 00 00 4c 39 f3 74 78 49 bd 00 00 RSP: 0018:ffff88806ce09858 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff8564e900 RCX: 0000000000000100 RDX: 1ffffffff0ac9d35 RSI: ffffffff81495a00 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 00007f640dea5b19 R13: 0000000000000000 R14: ffffffff8564e9a8 R15: ffff888008793dc0 FS: 00007f640b41b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556f65098 CR3: 0000000045c5a000 CR4: 0000000000350ef0 Call Trace: kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xfb/0x610 kfree_skbmem+0xef/0x1b0 consume_skb+0xd8/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 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+0x54b/0xc70 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:ext4_free_branches+0xee/0x6b0 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 b2 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 1b 48 89 da 48 c1 ea 03 80 3c 02 00 <0f> 85 a1 05 00 00 48 8b 1b 31 ff 83 e3 02 89 de e8 4d 0e 9c ff 85 RSP: 0018:ffff88803b28f618 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888010006000 RCX: ffffc90000793000 RDX: 1ffff11002000c00 RSI: ffffffff81accb1b RDI: 0000000000000001 RBP: ffff88801bc12c60 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801bdb0ca0 R13: 0000000000000001 R14: ffff88803b28f6f0 R15: ffff88803b28f6f4 ext4_ind_truncate+0x4b6/0x910 ext4_truncate+0xfd9/0x13d0 ext4_setattr+0x1c73/0x2700 notify_change+0xca5/0x1400 do_truncate+0x143/0x200 path_openat+0x20cc/0x29b0 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_creat+0xcd/0x120 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f640dea5b19 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:00007f640b41b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f640dfb8f60 RCX: 00007f640dea5b19 RDX: 0000000000000000 RSI: 0000000000000119 RDI: 0000000020000240 RBP: 00007f640defff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc986d3bf R14: 00007f640b41b300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 155 Comm: sd-resolve Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_release+0xaa/0x750 Code: 7e 89 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 10 94 d0 85 e8 f4 1a 51 00 48 0f a3 1d 3c ba a4 04 0f 82 6f 04 00 00 <48> c7 c3 4c a5 d0 85 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 RSP: 0018:ffff88800f6df9f8 EFLAGS: 00000082 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 1ffff11001edbf41 R08: 0000000000000000 R09: ffffffff85d09417 R10: fffffbfff0ba1282 R11: 0000000000000001 R12: ffff88806cf3d8a0 R13: ffff88806cf3d8a0 R14: ffff88801a37d040 R15: 0000000000000000 FS: 00007ff8366af700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00065b000 CR3: 000000000e5aa000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ___slab_alloc+0x1c9/0x1080 __slab_alloc.constprop.0+0x4d/0x90 kmem_cache_alloc+0x356/0x410 __create_object+0x3d/0xc40 __kmem_cache_alloc_node+0x25b/0x400 kmalloc_trace+0x26/0x60 selinux_sk_alloc_security+0x94/0x210 security_sk_alloc+0x5a/0xb0 sk_prot_alloc+0xa9/0x280 sk_alloc+0x38/0x760 inet_create+0x369/0xe00 __sock_create+0x34f/0x760 __sys_socket+0x137/0x250 __x64_sys_socket+0x73/0xb0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff836fa6477 Code: 73 01 c3 48 8b 0d 19 ea 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e9 e9 0b 00 f7 d8 64 89 01 48 RSP: 002b:00007ff8366a7e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff836fa6477 RDX: 0000000000000000 RSI: 0000000000080802 RDI: 0000000000000002 RBP: 00007ff8366afdb8 R08: 0000000000000027 R09: 00007ff8366a8198 R10: 00007ff8366a7e64 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ff8366a81a8 R14: 00007ff8366afdcc R15: 00007ff8366afdb8 ---------------- Code disassembly (best guess): 0: 40 84 ed test %bpl,%bpl 3: 0f 84 fd 00 00 00 je 0x106 9: e8 80 83 ff ff callq 0xffff838e e: 4c 8d b3 a8 00 00 00 lea 0xa8(%rbx),%r14 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 4c 89 f2 mov %r14,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 bf 01 00 00 jne 0x1ef <-- trapping instruction 30: 48 8b 9b a8 00 00 00 mov 0xa8(%rbx),%rbx 37: 4c 39 f3 cmp %r14,%rbx 3a: 74 78 je 0xb4 3c: 49 rex.WB 3d: bd .byte 0xbd