Call Trace: ====================================================== WARNING: possible circular locking dependency detected 5.16.0-next-20220113 #1 Not tainted ------------------------------------------------------ syz-executor.2/374474 is trying to acquire lock: ffffffff851f50d8 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x60 kernel/locking/semaphore.c:138 but task is already holding lock: ffff88801d4f1420 (&ctx->lock){....}-{2:2}, at: __perf_install_in_context+0x12d/0x310 kernel/events/core.c:2784 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ctx->lock){....}-{2:2}: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 perf_event_context_sched_out kernel/events/core.c:3493 [inline] __perf_event_task_sched_out+0x519/0x1920 kernel/events/core.c:3601 perf_event_task_sched_out include/linux/perf_event.h:1245 [inline] prepare_task_switch kernel/sched/core.c:4796 [inline] context_switch kernel/sched/core.c:4938 [inline] __schedule+0xead/0x2190 kernel/sched/core.c:6296 schedule+0xd2/0x260 kernel/sched/core.c:6369 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x2c9/0x660 kernel/futex/waitwake.c:656 do_futex+0x2fb/0x380 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1c6/0x4c0 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x1e/0x30 kernel/sched/core.c:489 raw_spin_rq_lock kernel/sched/sched.h:1318 [inline] rq_lock kernel/sched/sched.h:1616 [inline] task_fork_fair+0x63/0x4d0 kernel/sched/fair.c:11146 sched_post_fork+0x343/0x490 kernel/sched/core.c:4462 copy_process+0x5310/0x6cb0 kernel/fork.c:2379 kernel_clone+0xe7/0xa60 kernel/fork.c:2555 kernel_thread+0xb5/0xf0 kernel/fork.c:2607 rest_init+0x24/0x3d0 init/main.c:692 start_kernel+0x484/0x4a5 init/main.c:1141 secondary_startup_64_no_verify+0xd5/0xdb -> #1 (&p->pi_lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 try_to_wake_up+0xac/0x14c0 kernel/sched/core.c:4017 up+0x75/0xb0 kernel/locking/semaphore.c:190 __up_console_sem+0x6e/0x80 kernel/printk/printk.c:255 console_unlock+0x53e/0xae0 kernel/printk/printk.c:2730 vprintk_emit+0x198/0x450 kernel/printk/printk.c:2248 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2269 kauditd_printk_skb kernel/audit.c:538 [inline] kauditd_hold_skb.cold+0x41/0x50 kernel/audit.c:571 kauditd_send_queue kernel/audit.c:734 [inline] kauditd_thread+0x86b/0x1080 kernel/audit.c:858 kthread+0x2f0/0x3a0 kernel/kthread.c:377 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295 -> #0 ((console_sem).lock){-.-.}-{2:2}: check_prev_add kernel/locking/lockdep.c:3063 [inline] check_prevs_add kernel/locking/lockdep.c:3186 [inline] validate_chain kernel/locking/lockdep.c:3801 [inline] __lock_acquire+0x2a14/0x5b70 kernel/locking/lockdep.c:5027 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 down_trylock+0xe/0x60 kernel/locking/semaphore.c:138 __down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238 console_trylock kernel/printk/printk.c:2545 [inline] console_trylock_spinning kernel/printk/printk.c:1846 [inline] vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2269 show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195 ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101 fixup_exception+0x1ca/0xdd0 arch/x86/mm/extable.c:212 __exc_general_protection arch/x86/kernel/traps.c:601 [inline] exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562 __wrmsr arch/x86/include/asm/msr.h:103 [inline] native_write_msr arch/x86/include/asm/msr.h:154 [inline] wrmsrl arch/x86/include/asm/msr.h:271 [inline] __x86_pmu_enable_event arch/x86/events/perf_event.h:1122 [inline] x86_pmu_enable_all+0x132/0x3c0 arch/x86/events/core.c:743 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 task_function_call+0xe5/0x170 kernel/events/core.c:119 perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2922 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->__lock --> &ctx->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->lock); lock(&rq->__lock); lock(&ctx->lock); lock((console_sem).lock); *** DEADLOCK *** 4 locks held by syz-executor.2/374474: #0: ffff88803ca1dda0 (&sig->exec_update_lock){++++}-{3:3}, at: __do_sys_perf_event_open+0x1023/0x3040 kernel/events/core.c:12273 #1: ffff88801d4f14b0 (&ctx->mutex){+.+.}-{3:3}, at: __do_sys_perf_event_open+0x17cd/0x3040 kernel/events/core.c:12327 #2: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: __perf_install_in_context+0xf4/0x310 kernel/events/core.c:2782 #3: ffff88801d4f1420 (&ctx->lock){....}-{2:2}, at: __perf_install_in_context+0x12d/0x310 kernel/events/core.c:2784 stack backtrace: CPU: 0 PID: 374474 Comm: syz-executor.2 Not tainted 5.16.0-next-20220113 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2143 check_prev_add kernel/locking/lockdep.c:3063 [inline] check_prevs_add kernel/locking/lockdep.c:3186 [inline] validate_chain kernel/locking/lockdep.c:3801 [inline] __lock_acquire+0x2a14/0x5b70 kernel/locking/lockdep.c:5027 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 down_trylock+0xe/0x60 kernel/locking/semaphore.c:138 __down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238 console_trylock kernel/printk/printk.c:2545 [inline] console_trylock_spinning kernel/printk/printk.c:1846 [inline] vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247 vprintk+0x80/0x90 kernel/printk/printk_safe.c:50 _printk+0xba/0xed kernel/printk/printk.c:2269 show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195 ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101 fixup_exception+0x1ca/0xdd0 arch/x86/mm/extable.c:212 __exc_general_protection arch/x86/kernel/traps.c:601 [inline] exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562 RIP: 0010:__wrmsr arch/x86/include/asm/msr.h:103 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:154 [inline] RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:271 [inline] RIP: 0010:__x86_pmu_enable_event arch/x86/events/perf_event.h:1122 [inline] RIP: 0010:x86_pmu_enable_all+0x132/0x3c0 arch/x86/events/core.c:743 Code: f7 d7 49 21 c7 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 64 02 00 00 48 8b 9b 78 01 00 00 4c 89 fa 44 89 f8 48 c1 ea 20 89 d9 <0f> 30 0f 1f 44 00 00 e8 12 41 42 00 e8 0d 41 42 00 8b 1d 43 b4 8b RSP: 0018:ffff88802f777968 EFLAGS: 00010016 RAX: 0000000000530076 RBX: 00000000c0010200 RCX: 00000000c0010200 RDX: 0000000000000100 RSI: ffffffff8100de36 RDI: ffff8880081c40b8 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff8100de25 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88806ce21c20 R14: ffff88806ce21e20 R15: 0000010000530076 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 task_function_call+0xe5/0x170 kernel/events/core.c:119 perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2922 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa2754edb19 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:00007fa272a63188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa275600f60 RCX: 00007fa2754edb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fa275547f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec8257c6f R14: 00007fa272a63300 R15: 0000000000022000 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 task_function_call+0xe5/0x170 kernel/events/core.c:119 perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2922 __do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa2754edb19 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:00007fa272a63188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa275600f60 RCX: 00007fa2754edb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fa275547f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec8257c6f R14: 00007fa272a63300 R15: 0000000000022000 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] perf_event_context_sched_out kernel/events/core.c:3500 [inline] __perf_event_task_sched_out+0x764/0x1920 kernel/events/core.c:3601 perf_event_task_sched_out include/linux/perf_event.h:1245 [inline] prepare_task_switch kernel/sched/core.c:4796 [inline] context_switch kernel/sched/core.c:4938 [inline] __schedule+0xead/0x2190 kernel/sched/core.c:6296 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462 __cond_resched+0x13/0x20 kernel/sched/core.c:8175 might_resched include/linux/kernel.h:110 [inline] __mutex_lock_common kernel/locking/mutex.c:577 [inline] __mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733 __do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12445 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa2754edb19 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:00007fa272a63188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa275600f60 RCX: 00007fa2754edb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fa275547f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec8257c6f R14: 00007fa272a63300 R15: 0000000000022000 Call Trace: x86_pmu_stop+0x149/0x330 arch/x86/events/core.c:1597 x86_pmu_del+0x1be/0x610 arch/x86/events/core.c:1636 event_sched_out+0x2ed/0xaf0 kernel/events/core.c:2289 group_sched_out.part.0+0x115/0x360 kernel/events/core.c:2323 group_sched_out kernel/events/core.c:2318 [inline] __perf_event_disable+0x19f/0x2b0 kernel/events/core.c:2423 event_function+0x297/0x3d0 kernel/events/core.c:253 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x89/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] RIP: 0010:folio_memcg_lock+0x138/0x490 mm/memcontrol.c:2032 Code: 7d c8 e8 2b 54 b2 ff 48 8b 7d c8 58 48 c7 c6 01 89 76 81 e8 2a 4d b2 ff 4d 85 ff 74 06 e8 70 60 d3 ff fb 4c 8d bb 00 0f 00 00 04 00 00 00 4c 89 ff e8 0b bd fd ff 4c 89 f8 48 c1 e8 03 42 0f RSP: 0018:ffff888051457698 EFLAGS: 00000246 RAX: 0000000000000007 RBX: ffff888017b46000 RCX: 1ffffffff0b19891 RDX: 0000000000000000 RSI: ffffffff8149ea01 RDI: ffffffff81768940 RBP: ffff8880514576e0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8149e9e8 R11: 0000000000000001 R12: dffffc0000000000 R13: fffff9400010b5b8 R14: 1ffffd400010b5bf R15: ffff888017b46f00 page_remove_rmap+0x1f/0x760 mm/rmap.c:1377 zap_pte_range mm/memory.c:1380 [inline] zap_pmd_range mm/memory.c:1490 [inline] zap_pud_range mm/memory.c:1519 [inline] zap_p4d_range mm/memory.c:1540 [inline] unmap_page_range+0xd36/0x2380 mm/memory.c:1561 unmap_single_vma+0x198/0x310 mm/memory.c:1606 unmap_vmas+0x16b/0x2f0 mm/memory.c:1638 exit_mmap+0x1d0/0x630 mm/mmap.c:3178 __mmput kernel/fork.c:1114 [inline] mmput+0xc8/0x380 kernel/fork.c:1135 exit_mm kernel/exit.c:507 [inline] do_exit+0xa34/0x2830 kernel/exit.c:793 do_group_exit+0xd2/0x2f0 kernel/exit.c:935 get_signal+0x494/0x26e0 kernel/signal.c:2862 arch_do_signal_or_restart+0x2b0/0x1720 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x143/0x1c0 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:300 do_syscall_64+0x48/0x90 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7451301b19 Code: Unable to access opcode bytes at RIP 0x7f7451301aef. RSP: 002b:00007f744e877218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f7451414f68 RCX: 00007f7451301b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7451414f6c RBP: 00007f7451414f60 R08: 0000000000000002 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f7451414f6c R13: 00007ffe44afd14f R14: 00007f744e877300 R15: 0000000000022000 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x89/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x60 kernel/kcov.c:200 Code: 00 5d e9 b6 83 bc 00 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 49 4f bf 7e 89 c1 48 8b 34 24 <81> e1 00 01 00 00 65 48 8b 14 25 40 6f 02 00 a9 00 01 ff 00 74 0e RSP: 0018:ffff8880170777f8 EFLAGS: 00000212 RAX: 0000000080000002 RBX: 800000003db42007 RCX: 0000000080000002 RDX: ffff88803b6a5040 RSI: ffffffff816691f6 RDI: 0000000000000003 RBP: ffff88804cbafab0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff816691a0 R11: 0000000000000000 R12: 0000000000000008 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000010 copy_pte_range mm/memory.c:1093 [inline] copy_pmd_range mm/memory.c:1160 [inline] copy_pud_range mm/memory.c:1197 [inline] copy_p4d_range mm/memory.c:1221 [inline] copy_page_range+0x11c6/0x47b0 mm/memory.c:1294 dup_mmap kernel/fork.c:612 [inline] dup_mm+0x961/0x1250 kernel/fork.c:1451 copy_mm kernel/fork.c:1503 [inline] copy_process+0x3848/0x6cb0 kernel/fork.c:2164 kernel_clone+0xe7/0xa60 kernel/fork.c:2555 __do_sys_clone+0xc8/0x110 kernel/fork.c:2672 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa2754ec10b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffec8257ea0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2754ec10b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555557391400 R10: 00005555573916d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffec8257f80 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) Call Trace: x86_pmu_stop+0x149/0x330 arch/x86/events/core.c:1597 x86_pmu_del+0x1be/0x610 arch/x86/events/core.c:1636 event_sched_out+0x2ed/0xaf0 kernel/events/core.c:2289 __perf_remove_from_context+0x88/0x830 kernel/events/core.c:2356 event_function+0x297/0x3d0 kernel/events/core.c:253 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 generic_exec_single+0x203/0x300 kernel/smp.c:518 smp_call_function_single+0x189/0x460 kernel/smp.c:755 cpu_function_call kernel/events/core.c:152 [inline] event_function_call+0x3d0/0x430 kernel/events/core.c:280 perf_remove_from_context+0xfd/0x230 kernel/events/core.c:2403 perf_event_release_kernel+0x153/0x7f0 kernel/events/core.c:5109 perf_release+0x33/0x40 kernel/events/core.c:5205 __fput+0x281/0x9e0 fs/file_table.c:311 task_work_run+0xe2/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x1be/0x1c0 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:300 do_syscall_64+0x48/0x90 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7faca2f9572b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffc3d82a6c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007faca2f9572b RDX: 0000000000000000 RSI: 00007faca2f5a000 RDI: 0000000000000003 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b328208ac R10: 00000000000015d4 R11: 0000000000000293 R12: 00007faca30f6b60 R13: 00007faca30f6b60 R14: 00007faca30f5f60 R15: 00000000001662e2 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 Call Trace: x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350 perf_pmu_enable kernel/events/core.c:1207 [inline] perf_pmu_enable kernel/events/core.c:1203 [inline] ctx_resched+0x2b0/0x390 kernel/events/core.c:2754 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2821 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x3b/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0033:0x410719 Code: 04 0f 85 44 01 00 00 80 78 09 00 0f 85 8c 00 00 00 48 8b 40 10 eb 5d 48 ff c2 48 83 c1 04 48 83 fa 08 73 3a 8b 5c 24 38 39 19 <75> eb 0f b6 1c 02 80 fb 01 76 e2 48 8b 4c 24 28 0f b6 49 51 48 0f RSP: 002b:000000c00015dbb0 EFLAGS: 00000246 RAX: 000000c002272318 RBX: 0000000062849f28 RCX: 000000c002272320 RDX: 0000000000000000 RSI: 0000000000957680 RDI: 0000000000000038 RBP: 000000c00015dbc8 R08: 0000000000000000 R09: 000000c001034fa0 R10: 0000000000000000 R11: ffffffffffffffff R12: 0000000000000000 R13: 0000000000000020 R14: 00000000000000da R15: ffffffffffffffff EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) Call Trace: x86_pmu_stop+0x149/0x330 arch/x86/events/core.c:1597 x86_pmu_del+0x1be/0x610 arch/x86/events/core.c:1636 event_sched_out+0x2ed/0xaf0 kernel/events/core.c:2289 __perf_remove_from_context+0x88/0x830 kernel/events/core.c:2356 event_function+0x297/0x3d0 kernel/events/core.c:253 remote_function kernel/events/core.c:91 [inline] remote_function+0x125/0x1b0 kernel/events/core.c:71 flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628 __sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x89/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:write_comp_data kernel/kcov.c:220 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0xf/0x70 kernel/kcov.c:294 Code: 41 5d c3 48 c7 c0 f4 ff ff ff eb 9a 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 f8 bf 03 00 00 00 48 89 f1 4c 8b 14 24 <65> 48 8b 34 25 40 6f 02 00 e8 93 fa ff ff 84 c0 74 48 48 8b 86 48 RSP: 0018:ffff888017a6f1f0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888017ca6e00 RCX: 0000000000000000 RDX: 1ffff11003188800 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff888017a6f340 R08: 0000000000000000 R09: ffff88802411d047 R10: ffffffff816437c7 R11: 0000000000000001 R12: 0000000020447000 R13: 0000000000000206 R14: 000000003c8a3067 R15: 0000000000000000 pud_pfn_mask arch/x86/include/asm/pgtable_types.h:424 [inline] pud_flags_mask arch/x86/include/asm/pgtable_types.h:432 [inline] pud_flags arch/x86/include/asm/pgtable_types.h:437 [inline] pud_bad arch/x86/include/asm/pgtable.h:861 [inline] follow_pud_mask mm/gup.c:753 [inline] follow_p4d_mask mm/gup.c:782 [inline] follow_page_mask+0x5b7/0x1830 mm/gup.c:841 __get_user_pages+0x422/0x1120 mm/gup.c:1163 __get_user_pages_locked mm/gup.c:1350 [inline] get_user_pages_unlocked+0x1b3/0x760 mm/gup.c:2230 __gup_longterm_unlocked mm/gup.c:2806 [inline] internal_get_user_pages_fast+0x16d7/0x2bd0 mm/gup.c:2894 get_user_pages_fast+0x66/0xa0 mm/gup.c:2986 iov_iter_get_pages+0x1b9/0xd90 lib/iov_iter.c:1539 __bio_iov_iter_get_pages block/bio.c:1133 [inline] bio_iov_iter_get_pages block/bio.c:1244 [inline] bio_iov_iter_get_pages+0x1ed/0xf00 block/bio.c:1230 iomap_dio_bio_iter+0xb1a/0x14a0 fs/iomap/direct-io.c:321 iomap_dio_iter fs/iomap/direct-io.c:434 [inline] __iomap_dio_rw+0xcd2/0x1a80 fs/iomap/direct-io.c:590 iomap_dio_rw+0x38/0x90 fs/iomap/direct-io.c:680 ext4_dio_write_iter fs/ext4/file.c:564 [inline] ext4_file_write_iter+0xa71/0x1890 fs/ext4/file.c:675 call_write_iter include/linux/fs.h:2074 [inline] new_sync_write+0x437/0x660 fs/read_write.c:503 vfs_write+0x7d1/0xae0 fs/read_write.c:590 ksys_pwrite64 fs/read_write.c:697 [inline] __do_sys_pwrite64 fs/read_write.c:707 [inline] __se_sys_pwrite64 fs/read_write.c:704 [inline] __x64_sys_pwrite64+0x1fd/0x250 fs/read_write.c:704 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f4ec3cd2b19 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:00007f4ec1248188 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f4ec3de5f60 RCX: 00007f4ec3cd2b19 RDX: 00000000fffffe5f RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f4ec3d2cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc942b43f R14: 00007f4ec1248300 R15: 0000000000022000 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) netlink: 4612 bytes leftover after parsing attributes in process `syz-executor.2'. loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): bad geometry: block count 767 exceeds size of device (512 blocks) loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): ext4_check_descriptors: Block bitmap for group 0 not in group (block 3)! EXT4-fs (loop1): group descriptors corrupted! loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): ext4_check_descriptors: Block bitmap for group 0 not in group (block 3)! EXT4-fs (loop1): group descriptors corrupted! loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): ext4_check_descriptors: Inode bitmap for group 0 not in group (block 4)! EXT4-fs (loop1): group descriptors corrupted! loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): inodes count not valid: 4294901792 vs 32 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): inodes count not valid: 33554464 vs 32 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): inodes count not valid: 131104 vs 32 loop1: detected capacity change from 0 to 1024 UDC core: couldn't find an available UDC or it's busy: -19 EXT4-fs (loop1): inodes count not valid: 131104 vs 32 misc raw-gadget: fail, usb_gadget_probe_driver returned -19 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): inodes count not valid: 196640 vs 32 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): inodes count not valid: 262176 vs 32 UDC core: couldn't find an available UDC or it's busy: -19 misc raw-gadget: fail, usb_gadget_probe_driver returned -19 loop1: detected capacity change from 0 to 1024 EXT4-fs (loop1): inodes count not valid: 262176 vs 32 ---------------- Code disassembly (best guess): 0: f7 d7 not %edi 2: 49 21 c7 and %rax,%r15 5: 48 89 f8 mov %rdi,%rax 8: 48 c1 e8 03 shr $0x3,%rax c: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 11: 0f 85 64 02 00 00 jne 0x27b 17: 48 8b 9b 78 01 00 00 mov 0x178(%rbx),%rbx 1e: 4c 89 fa mov %r15,%rdx 21: 44 89 f8 mov %r15d,%eax 24: 48 c1 ea 20 shr $0x20,%rdx 28: 89 d9 mov %ebx,%ecx * 2a: 0f 30 wrmsr <-- trapping instruction 2c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 31: e8 12 41 42 00 callq 0x424148 36: e8 0d 41 42 00 callq 0x424148 3b: 8b .byte 0x8b 3c: 1d .byte 0x1d 3d: 43 b4 8b rex.XB mov $0x8b,%r12b