watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.7:9846] Modules linked in: irq event stamp: 4405125 hardirqs last enabled at (4405124): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (4405125): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (4357976): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4358001): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 9846 Comm: syz-executor.7 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kernel_text_address+0x0/0xc0 Code: 5c e9 c4 87 62 03 48 c7 c7 04 ed 3e 86 e8 88 4e 69 00 eb bb 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 48 89 fd 48 83 ec 08 e8 3f ff ff ff 85 c0 74 0f b8 RSP: 0018:ffff88806ce09638 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff811a7a91 RCX: 0000000000000001 RDX: 1ffff1100d9c12d8 RSI: ffff88806ce09f50 RDI: ffffffff811a7a91 RBP: ffff88806ce096c0 R08: 0000000000000001 R09: ffff88806ce096a8 R10: 000000000003c001 R11: 000000000001295f R12: ffff88806ce09730 R13: 0000000000000000 R14: ffff888039913700 R15: 0000000000000820 FS: 00007f540f7f2700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32c2a000 CR3: 000000000e3e4000 CR4: 0000000000350ef0 Call Trace: __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 __alloc_skb+0x2ad/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2cb/0x5d0 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 b4 ff ab ff 4d 85 ed 74 06 e8 ca 7f d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff888038c474b0 EFLAGS: 00000246 RAX: 0000000000427f6f RBX: ffffea0000e32200 RCX: 1ffffffff0fdca53 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183f876 RBP: ffff88800969c500 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 00000000000007e0 R12: ffff88806ce434a0 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888038c88900 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc27/0xf60 alloc_inode+0x89/0x240 new_inode+0x1c/0x190 __ext4_new_inode+0x2f1/0x4df0 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x1133/0x1550 path_openat+0xc91/0x2980 do_filp_open+0x1b8/0x410 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f541227cb19 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:00007f540f7f2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f541238ff60 RCX: 00007f541227cb19 RDX: 00000000001c1042 RSI: 0000000020000200 RDI: ffffffffffffff9c RBP: 00007f54122d6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee43903bf R14: 00007f540f7f2300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 audit: type=1326 audit(1729120823.351:23): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9887 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fa415601b19 code=0x0 audit: type=1326 audit(1729120823.378:24): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9885 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f818fabfb19 code=0x0 audit: type=1326 audit(1729120823.389:25): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9884 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7ff2ca1a2b19 code=0x0 audit: type=1326 audit(1729120823.390:26): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9882 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f61d5634b19 code=0x0 audit: type=1326 audit(1729120824.402:27): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9916 comm="syz-executor.2" exe="/syz-executor.2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f818fabfb19 code=0x0 audit: type=1326 audit(1729120824.453:28): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9923 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fa415601b19 code=0x0 audit: type=1326 audit(1729120824.484:29): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9924 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7ff2ca1a2b19 code=0x0 audit: type=1326 audit(1729120824.538:30): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9929 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f61d5634b19 code=0x0 audit: type=1326 audit(1729120825.863:31): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9962 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f61d5634b19 code=0x0 audit: type=1326 audit(1729120826.003:32): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9961 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fa415601b19 code=0x0 ---------------- Code disassembly (best guess): 0: 5c pop %rsp 1: e9 c4 87 62 03 jmpq 0x36287ca 6: 48 c7 c7 04 ed 3e 86 mov $0xffffffff863eed04,%rdi d: e8 88 4e 69 00 callq 0x694e9a 12: eb bb jmp 0xffffffcf 14: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 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: 90 nop 28: 90 nop 29: 90 nop * 2a: 66 0f 1f 00 nopw (%rax) <-- trapping instruction 2e: 55 push %rbp 2f: 48 89 fd mov %rdi,%rbp 32: 48 83 ec 08 sub $0x8,%rsp 36: e8 3f ff ff ff callq 0xffffff7a 3b: 85 c0 test %eax,%eax 3d: 74 0f je 0x4e 3f: b8 .byte 0xb8