audit: type=1400 audit(1729616685.272:11): avc: denied { map } for pid=4062 comm="syz-executor.7" path="pipe:[14566]" dev="pipefs" ino=14566 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=fifo_file permissive=1 nfs: Unknown parameter '-$' watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.6:4052] Modules linked in: irq event stamp: 4216591 hardirqs last enabled at (4216590): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4216591): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (4164494): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4164497): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4052 Comm: syz-executor.6 Not tainted 5.10.227 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:memcg_slab_post_alloc_hook+0x40d/0x430 mm/slab.h:349 Code: ff ff 48 c7 c2 c8 65 bd 84 be ce 02 00 00 48 c7 c7 7a 65 bd 84 c6 05 3c 21 f9 03 01 e8 5b 44 6d 02 e9 55 fc ff ff 48 83 c4 20 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 54 38 b4 02 4c 8b 15 9d d8 76 03 RSP: 0018:ffff88806ce099e8 EFLAGS: 00000286 RAX: ffff88800e26d7a0 RBX: ffff88800e26d950 RCX: 0000000000000001 RDX: 0000000000092a20 RSI: 0000000000000000 RDI: ffff88800804d640 RBP: ffff88800804d640 R08: ffff88806ce09a28 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000092a20 R13: 0000000000000000 R14: 0000000000092a20 R15: ffff88800e26d7a0 FS: 00007effdca46700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d939000 CR3: 000000004562e000 CR4: 0000000000350ef0 Call Trace: slab_post_alloc_hook mm/slab.h:538 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x171/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:143 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:211 skb_copy+0x183/0x350 net/core/skbuff.c:1529 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1499 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 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+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:sym_name security/selinux/ss/policydb.h:384 [inline] RIP: 0010:mls_level_isvalid+0xee/0x1c0 security/selinux/ss/mls.c:169 Code: 80 3c 02 00 0f 85 be 00 00 00 48 8b 85 f8 00 00 00 48 8d 1c d8 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 <0f> 85 a2 00 00 00 48 8b 33 48 8d bd 98 00 00 00 e8 7d 29 fc ff 48 RSP: 0018:ffff8880177bf3c0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88800e8de370 RCX: ffffc90000823000 RDX: 1ffff11001d1bc6e RSI: ffffffff81d99819 RDI: ffff888008df3100 RBP: ffff888008df3008 R08: 0000000000000001 R09: ffff8880177bf680 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880177bf678 R13: 0000000000000001 R14: ffff8880177bf678 R15: 0000000000001032 mls_range_isvalid+0x1a3/0x2b0 security/selinux/ss/mls.c:185 mls_context_isvalid+0x75/0x340 security/selinux/ss/mls.c:200 policydb_context_isvalid+0x31b/0x3e0 security/selinux/ss/policydb.c:966 security_compute_sid.part.0+0x911/0x16e0 security/selinux/ss/services.c:1887 security_compute_sid security/selinux/ss/services.c:1925 [inline] security_transition_sid+0xc0/0x190 security/selinux/ss/services.c:1925 inode_doinit_with_dentry+0x431/0x1240 security/selinux/hooks.c:1479 selinux_d_instantiate+0x23/0x30 security/selinux/hooks.c:6330 security_d_instantiate+0x56/0xe0 security/security.c:2008 d_add+0x39/0x690 fs/dcache.c:2705 devpts_pty_new+0x3b6/0x810 fs/devpts/inode.c:589 ptmx_open drivers/tty/pty.c:854 [inline] ptmx_open+0x1c8/0x370 drivers/tty/pty.c:802 chrdev_open+0x268/0x6e0 fs/char_dev.c:414 do_dentry_open+0x4b7/0x1090 fs/open.c:817 do_open fs/namei.c:3307 [inline] path_openat+0x19ba/0x2770 fs/namei.c:3425 do_filp_open+0x190/0x3e0 fs/namei.c:3452 do_sys_openat2+0x171/0x4d0 fs/open.c:1227 do_sys_open fs/open.c:1243 [inline] __do_sys_openat fs/open.c:1259 [inline] __se_sys_openat fs/open.c:1254 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1254 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7effdf4d0b19 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:00007effdca46188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007effdf5e3f60 RCX: 00007effdf4d0b19 RDX: 0000000000000c02 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007effdf52af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe16c1090f R14: 00007effdca46300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4056 Comm: syz-executor.0 Not tainted 5.10.227 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:162 [inline] RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:281 [inline] RIP: 0010:lapic_next_deadline+0x21/0x50 arch/x86/kernel/apic/apic.c:479 Code: f5 bd ca 02 0f 1f 44 00 00 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <0f> 1f 44 00 00 31 c0 e9 23 3c 12 03 48 89 c6 31 d2 bf e0 06 00 00 RSP: 0018:ffff88806cf09820 EFLAGS: 00000012 RAX: 000000ad44d2c038 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000ad RSI: ffff88806cf27980 RDI: 0000000000000232 RBP: ffff88806cf27980 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000232 R13: 0000000000000000 R14: 7fffffffffffffff R15: 0000000000000000 FS: 00007fb5ff4cb700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8c6dd14650 CR3: 0000000045942000 CR4: 0000000000350ee0 Call Trace: clockevents_program_event+0x244/0x360 kernel/time/clockevents.c:334 tick_program_event+0xa0/0x140 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x3e1/0x9b0 kernel/time/hrtimer.c:1725 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline] __sysvec_apic_timer_interrupt+0xfb/0x310 arch/x86/kernel/apic/apic.c:1100 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline] sysvec_apic_timer_interrupt+0x3e/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:35 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:135 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:183 [inline] RIP: 0010:check_memory_region+0x54/0x1f0 mm/kasan/generic.c:192 Code: 00 ff 48 39 f8 0f 87 c0 00 00 00 49 83 e9 01 48 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 <49> 01 c2 48 89 e8 49 8d 5a 01 48 89 da 48 29 ea 48 83 fa 10 0f 8e RSP: 0018:ffff88806cf09a18 EFLAGS: 00000282 RAX: dffffc0000000000 RBX: ffffffff87a06080 RCX: ffffffff8127b507 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff87a06080 RBP: fffffbfff0f40c10 R08: 0000000000000000 R09: ffffffff87a06083 R10: 1ffffffff0f40c10 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f40c10 R14: 0000000000000001 R15: 1ffff1100d9e1348 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/asm-generic/atomic-instrumented.h:27 [inline] virt_spin_lock arch/x86/include/asm/qspinlock.h:99 [inline] queued_spin_lock_slowpath+0xa7/0x8c0 kernel/locking/qspinlock.c:326 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x695/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1450 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 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+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:dev_cache_fw_image+0xa4/0x3d0 drivers/base/firmware_loader/main.c:1381 Code: 48 8d 44 24 40 48 c7 c2 50 76 94 82 48 c7 c6 d0 76 94 82 49 89 c1 48 89 44 24 40 48 89 44 24 48 e8 51 cb fc ff 48 8b 6c 24 40 <48> 89 e8 48 89 6c 24 08 48 c1 e8 03 80 3c 18 00 0f 85 d1 02 00 00 RSP: 0018:ffff88801d6f77f0 EFLAGS: 00000216 RAX: 0000000000011494 RBX: dffffc0000000000 RCX: ffffc9000de8e000 RDX: 0000000000040000 RSI: ffffffff82947a8f RDI: ffffffff83e7d568 RBP: ffff88801d6f7830 R08: 0000000000000001 R09: ffffffff8686a6ff R10: fffffbfff0d0d4df R11: 0000000000000001 R12: 0000000000000000 R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000000 dpm_for_each_dev drivers/base/power/main.c:1994 [inline] dpm_for_each_dev+0x59/0xb0 drivers/base/power/main.c:1985 device_cache_fw_images drivers/base/firmware_loader/main.c:1445 [inline] fw_pm_notify+0xdc/0x120 drivers/base/firmware_loader/main.c:1496 notifier_call_chain kernel/notifier.c:83 [inline] notifier_call_chain_robust kernel/notifier.c:118 [inline] blocking_notifier_call_chain_robust kernel/notifier.c:302 [inline] blocking_notifier_call_chain_robust+0x127/0x2a0 kernel/notifier.c:290 pm_notifier_call_chain_robust+0x26/0x60 kernel/power/main.c:87 snapshot_open+0x20f/0x2b0 kernel/power/user.c:86 misc_open+0x375/0x4a0 drivers/char/misc.c:141 chrdev_open+0x268/0x6e0 fs/char_dev.c:414 do_dentry_open+0x4b7/0x1090 fs/open.c:817 do_open fs/namei.c:3307 [inline] path_openat+0x19ba/0x2770 fs/namei.c:3425 do_filp_open+0x190/0x3e0 fs/namei.c:3452 do_sys_openat2+0x171/0x4d0 fs/open.c:1227 do_sys_open fs/open.c:1243 [inline] __do_sys_openat fs/open.c:1259 [inline] __se_sys_openat fs/open.c:1254 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1254 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fb601f55b19 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:00007fb5ff4cb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb602068f60 RCX: 00007fb601f55b19 RDX: 0000000000040001 RSI: 0000000020000140 RDI: ffffffffffffff9c RBP: 00007fb601faff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd08011fff R14: 00007fb5ff4cb300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff 48 c7 decl -0x39(%rax) 3: c2 c8 65 retq $0x65c8 6: bd 84 be ce 02 mov $0x2cebe84,%ebp b: 00 00 add %al,(%rax) d: 48 c7 c7 7a 65 bd 84 mov $0xffffffff84bd657a,%rdi 14: c6 05 3c 21 f9 03 01 movb $0x1,0x3f9213c(%rip) # 0x3f92157 1b: e8 5b 44 6d 02 callq 0x26d447b 20: e9 55 fc ff ff jmpq 0xfffffc7a 25: 48 83 c4 20 add $0x20,%rsp * 29: 5b pop %rbx <-- trapping instruction 2a: 5d pop %rbp 2b: 41 5c pop %r12 2d: 41 5d pop %r13 2f: 41 5e pop %r14 31: 41 5f pop %r15 33: e9 54 38 b4 02 jmpq 0x2b4388c 38: 4c 8b 15 9d d8 76 03 mov 0x376d89d(%rip),%r10 # 0x376d8dc