net_ratelimit: 20 callbacks suppressed
net_ratelimit: 14 callbacks suppressed
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P7336/1:b..l P7333/1:b..l P5612/1:b..l P4985/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=33973, q=1138 ncpus=1)
task:udevd           state:R  running task     stack:21672 pid:4985  tgid:4985  ppid:1      task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5527 [inline]
 __schedule+0x17dd/0x5940 kernel/sched/core.c:7295
 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7575
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:524 [inline]
 irqentry_exit+0x14f/0x910 kernel/entry/common.c:154
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5947
Code: ff ff ff e8 90 f9 52 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 e2 f4 18 12 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 ff 05 56 0a cc 48 8d 3d 27 8f fb
RSP: 0018:ffffc900025c7168 EFLAGS: 00000282
RAX: 6da0793d44d50000 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 00000000825cbb49 RSI: ffffffff8e82b24f RDI: ffffffff8c6f0580
RBP: ffff88807e6b0000 R08: ffffffff817821df R09: 0000000000000000
R10: ffffc900025c72f8 R11: fffff520004b8e61 R12: ffffffff8ef5c7a0
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
 __unwind_start+0x514/0x660 arch/x86/kernel/unwind_orc.c:787
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:183
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:338
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1400 [inline]
 __free_frozen_pages+0xc93/0xd90 mm/page_alloc.c:2944
 __slab_free+0x274/0x2c0 mm/slub.c:5820
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:406
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5419 [inline]
 __kmalloc_noprof+0x366/0x710 mm/slub.c:5444
 _kmalloc_noprof include/linux/slab.h:995 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x2ad/0x570 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x5fa/0x640 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x283/0x560 security/tomoyo/file.c:827
 security_inode_getattr+0x12b/0x310 security/security.c:1909
 vfs_getattr+0x23/0x70 fs/stat.c:259
 vfs_statx_path+0x2b/0x230 fs/stat.c:299
 vfs_statx+0x12e/0x200 fs/stat.c:356
 vfs_fstatat+0x11b/0x170 fs/stat.c:373
 __do_sys_newfstatat fs/stat.c:538 [inline]
 __se_sys_newfstatat+0x118/0x3a0 fs/stat.c:532
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f098a111b0a
RSP: 002b:00007ffddbe8e918 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000562fc25c0418 RCX: 00007f098a111b0a
RDX: 00007ffddbe8e920 RSI: 0000562fc25aeef3 RDI: 00000000ffffff9c
RBP: 0000562fdfeb2198 R08: 00065b8b3ff1fb8e R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffddbe8e920 R14: 0000000000000000 R15: 00065b8b3ff1fb8e
 </TASK>
task:syz-executor    state:R  running task     stack:24296 pid:5612  tgid:5612  ppid:5606   task_flags:0x40050c flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5527 [inline]
 __schedule+0x17dd/0x5940 kernel/sched/core.c:7295
 preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7474
 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
 _raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213
 spin_unlock include/linux/spinlock.h:401 [inline]
 zap_pte_range mm/memory.c:2058 [inline]
 zap_pmd_range mm/memory.c:2114 [inline]
 zap_pud_range mm/memory.c:2142 [inline]
 zap_p4d_range mm/memory.c:2163 [inline]
 __zap_vma_range+0x40e1/0x4f70 mm/memory.c:2203
 unmap_vmas+0x38b/0x550 mm/memory.c:2272
 exit_mmap+0x293/0x9f0 mm/mmap.c:1315
 __mmput+0x118/0x420 kernel/fork.c:1192
 exit_mm+0x221/0x2d0 kernel/exit.c:614
 do_exit+0x6cd/0x2360 kernel/exit.c:996
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1151
 get_signal+0x1216/0x12c0 kernel/signal.c:3051
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f39079592d7
RSP: 002b:00007ffc3bd399a0 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00005555889a5500 RCX: 00007f39079592d7
RDX: 0000000040000000 RSI: 00007ffc3bd399fc RDI: ffffffffffffffff
RBP: 00007ffc3bd399fc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 00007ffc3bd39c58 R15: 0000000000000000
 </TASK>
task:syz.3.469       state:R  running task     stack:26888 pid:7333  tgid:7331  ppid:5618   task_flags:0x40044c flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5527 [inline]
 __schedule+0x17dd/0x5940 kernel/sched/core.c:7295
 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7575
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:524 [inline]
 irqentry_exit+0x14f/0x910 kernel/entry/common.c:154
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:81 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:103 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:238 [inline]
RIP: 0010:unwind_next_frame+0x4f8/0x2550 arch/x86/kernel/unwind_orc.c:510
Code: f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 49 8d 1c 47 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 27 <48> 63 03 48 01 d8 48 8d 4b 04 48 39 e8 4c 0f 46 f9 48 8d 43 fc 4c
RSP: 0018:ffffc9000382f0e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff91281048 RCX: dffffc0000000000
RDX: ffffffff91281044 RSI: ffffffff91e14a28 RDI: ffffffff8c6f0520
RBP: ffffffff8bf5d3d7 R08: 0000000000000003 R09: 0000000000000000
R10: ffffc9000382f1d8 R11: ffffffff81b2b760 R12: ffffffff9128104c
R13: ffffffff91281044 R14: ffffc9000382f188 R15: ffffffff91281044
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x31c/0x600 mm/slub.c:5568
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 slab_free_hook mm/slub.c:2700 [inline]
 slab_free mm/slub.c:6505 [inline]
 kmem_cache_free+0x156/0x650 mm/slub.c:6632
 anon_vma_free mm/rmap.c:137 [inline]
 __put_anon_vma+0x126/0x2d0 mm/rmap.c:2965
 put_anon_vma mm/internal.h:279 [inline]
 unlink_anon_vmas+0x544/0x720 mm/rmap.c:534
 free_pgtables+0x836/0xb70 mm/memory.c:414
 exit_mmap+0x4aa/0x9f0 mm/mmap.c:1327
 __mmput+0x118/0x420 kernel/fork.c:1192
 exit_mm+0x221/0x2d0 kernel/exit.c:614
 do_exit+0x6cd/0x2360 kernel/exit.c:996
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1151
 get_signal+0x1216/0x12c0 kernel/signal.c:3051
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe9d039ddeb
RSP: 002b:00007fe9d1223f00 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007fe9d039ddeb
RDX: 00007fe9d1224fd0 RSI: 0000000080085502 RDI: 0000000000000004
RBP: 00007fe9d1224fd0 R08: 0000000000000001 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000000 R15: 00007fe9d045393f
 </TASK>
task:syz.2.470       state:R  running task     stack:26760 pid:7336  tgid:7332  ppid:5617   task_flags:0x40044c flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5527 [inline]
 __schedule+0x17dd/0x5940 kernel/sched/core.c:7295
 preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7474
 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
 _raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213
 spin_unlock include/linux/spinlock.h:401 [inline]
 zap_pte_range mm/memory.c:2058 [inline]
 zap_pmd_range mm/memory.c:2114 [inline]
 zap_pud_range mm/memory.c:2142 [inline]
 zap_p4d_range mm/memory.c:2163 [inline]
 __zap_vma_range+0x40e1/0x4f70 mm/memory.c:2203
 unmap_vmas+0x38b/0x550 mm/memory.c:2272
 exit_mmap+0x293/0x9f0 mm/mmap.c:1315
 __mmput+0x118/0x420 kernel/fork.c:1192
 exit_mm+0x221/0x2d0 kernel/exit.c:614
 do_exit+0x6cd/0x2360 kernel/exit.c:996
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1151
 get_signal+0x1216/0x12c0 kernel/signal.c:3051
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:336 [inline]
 ret_from_fork+0x593/0xb70 arch/x86/kernel/process.c:167
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>