last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:46357' (ED25519) to the list of known hosts. [ 44.957011][ T40] audit: type=1400 audit(1777536012.787:62): avc: denied { name_bind } for pid=5642 comm="sshd-session" src=30000 scontext=system_u:system_r:sshd_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1 [ 45.001268][ T40] audit: type=1400 audit(1777536012.827:63): avc: denied { execute } for pid=5643 comm="sh" name="syz-executor" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 45.010422][ T40] audit: type=1400 audit(1777536012.827:64): avc: denied { execute_no_trans } for pid=5643 comm="sh" path="/syz-executor" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 47.069101][ T40] audit: type=1400 audit(1777536014.897:65): avc: denied { mounton } for pid=5643 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2022 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 47.076942][ T40] audit: type=1400 audit(1777536014.907:66): avc: denied { mount } for pid=5643 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 47.078660][ T5643] cgroup: Unknown subsys name 'net' [ 47.224962][ T5643] cgroup: Unknown subsys name 'cpuset' [ 47.229520][ T5643] cgroup: Unknown subsys name 'rlimit' [ 47.394612][ T5648] [ 47.395460][ T5648] ===================================== [ 47.397258][ T5648] WARNING: bad unlock balance detected! [ 47.399033][ T5648] syzkaller #0 Not tainted [ 47.400444][ T5648] ------------------------------------- [ 47.402261][ T5648] rm/5648 is trying to release lock (rcu_read_lock) at: [ 47.404494][ T5648] [] rcu_read_unlock+0x2d/0xb0 [ 47.406509][ T5648] but there are no more locks to release! [ 47.408302][ T5648] [ 47.408302][ T5648] other info that might help us debug this: [ 47.410811][ T5648] 1 lock held by rm/5648: [ 47.412191][ T5648] #0: ffff8880253fbd48 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 [ 47.415079][ T5648] [ 47.415079][ T5648] stack backtrace: [ 47.416954][ T5648] CPU: 2 UID: 0 PID: 5648 Comm: rm Not tainted syzkaller #0 PREEMPT(full) [ 47.416968][ T5648] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 47.416974][ T5648] Call Trace: [ 47.416979][ T5648] [ 47.416983][ T5648] dump_stack_lvl+0x100/0x190 [ 47.416997][ T5648] ? rcu_read_unlock+0x2d/0xb0 [ 47.417012][ T5648] print_unlock_imbalance_bug.part.0+0xfb/0x106 [ 47.417028][ T5648] ? rcu_read_unlock+0x2d/0xb0 [ 47.417043][ T5648] lock_release+0x28d/0x310 [ 47.417057][ T5648] rcu_read_unlock+0x32/0xb0 [ 47.417071][ T5648] do_wp_page+0x13d7/0x4350 [ 47.417083][ T5648] ? __pfx_do_wp_page+0x10/0x10 [ 47.417095][ T5648] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 47.417111][ T5648] __handle_mm_fault+0x1ab6/0x2a00 [ 47.417126][ T5648] ? reacquire_held_locks+0xce/0x1e0 [ 47.417139][ T5648] ? __pfx___handle_mm_fault+0x10/0x10 [ 47.417169][ T5648] ? lock_vma_under_rcu+0x17c/0x590 [ 47.417186][ T5648] handle_mm_fault+0x36d/0xa20 [ 47.417201][ T5648] do_user_addr_fault+0x5a3/0x12f0 [ 47.417217][ T5648] exc_page_fault+0x6f/0xd0 [ 47.417229][ T5648] asm_exc_page_fault+0x26/0x30 [ 47.417239][ T5648] RIP: 0033:0x7f5150da7418 [ 47.417248][ T5648] Code: fe ff ff 0f 1f 80 00 00 00 00 48 85 f6 0f 84 af 00 00 00 41 f6 85 56 03 00 00 20 0f 85 a1 00 00 00 49 8b 45 60 48 85 c0 74 04 <48> 01 70 08 49 8b 45 58 48 85 c0 74 04 48 01 70 08 49 8b 45 68 48 [ 47.417257][ T5648] RSP: 002b:00007fffe33f1de0 EFLAGS: 00010206 [ 47.417266][ T5648] RAX: 00007f5150a8dd50 RBX: 0000000000000030 RCX: 00007f5150a996f0 [ 47.417272][ T5648] RDX: 00007f5150a8de80 RSI: 00007f5150a2d000 RDI: 000000006fffffff [ 47.417279][ T5648] RBP: 00007fffe33f1f30 R08: 0000000000000006 R09: 00000000effffef5 [ 47.417285][ T5648] R10: 0000000070000029 R11: 00007fffe33f2018 R12: 00007fffe33f1c90 [ 47.417291][ T5648] R13: 00007f5150a996b0 R14: 00007fffe33f1fd0 R15: 00007f5150a8e018 [ 47.417300][ T5648] [ 47.475566][ T5648] ------------[ cut here ]------------ [ 47.477329][ T5648] rrln < 0 || rrln > RCU_NEST_PMAX [ 47.477336][ T5648] WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x235/0x5e0, CPU#2: rm/5648 [ 47.482164][ T5648] Modules linked in: [ 47.483739][ T5648] CPU: 2 UID: 0 PID: 5648 Comm: rm Not tainted syzkaller #0 PREEMPT(full) [ 47.486520][ T5648] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 47.489706][ T5648] RIP: 0010:__rcu_read_unlock+0x235/0x5e0 [ 47.491645][ T5648] Code: 74 11 c7 45 58 01 00 00 00 bf 09 00 00 00 e8 c2 6f da ff e8 1d fc 22 00 9c 58 f6 c4 02 0f 85 dd 02 00 00 fb e9 57 fe ff ff 90 <0f> 0b 90 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 94 72 88 [ 47.557834][ T5648] RSP: 0000:ffffc900031b7af0 EFLAGS: 00010286 [ 47.560251][ T5648] RAX: 00000000ffffffff RBX: ffff888023f1a500 RCX: ffffffff81e7b7ae [ 47.576163][ T5650] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 47.609354][ T5648] RDX: 0000000000000000 RSI: ffffffff8def9308 RDI: ffff888023f1a9c4 [ 47.611848][ T5648] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 [ 47.678017][ T5648] R10: 0000000080000000 R11: 0000000000000012 R12: ffff888037cb1468 [ 47.680588][ T5648] R13: ffffea0001a97140 R14: 0000000000000000 R15: ffffea0001a97140 [ 47.855558][ T5648] FS: 0000000000000000(0000) GS:ffff8880d6579000(0000) knlGS:0000000000000000 [ 47.858396][ T5648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.860480][ T5648] CR2: 00007f5150a8dd58 CR3: 000000002cf27000 CR4: 0000000000352ef0 [ 47.903422][ T5648] Call Trace: [ 47.904599][ T5648] [ 47.906178][ T5648] do_wp_page+0x13d7/0x4350 [ 47.909430][ T5648] ? __pfx_do_wp_page+0x10/0x10 [ 47.911854][ T5648] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 47.950440][ T5648] __handle_mm_fault+0x1ab6/0x2a00 [ 47.988738][ T5648] ? reacquire_held_locks+0xce/0x1e0 [ 47.990938][ T5648] ? __pfx___handle_mm_fault+0x10/0x10 [ 48.028770][ T5648] ? lock_vma_under_rcu+0x17c/0x590 [ 48.076212][ T5648] handle_mm_fault+0x36d/0xa20 [ 48.079084][ T5648] do_user_addr_fault+0x5a3/0x12f0 [ 48.209866][ T5648] exc_page_fault+0x6f/0xd0 [ 48.265424][ T5648] asm_exc_page_fault+0x26/0x30 [ 48.267189][ T5648] RIP: 0033:0x7f5150da7418 [ 48.268668][ T5648] Code: fe ff ff 0f 1f 80 00 00 00 00 48 85 f6 0f 84 af 00 00 00 41 f6 85 56 03 00 00 20 0f 85 a1 00 00 00 49 8b 45 60 48 85 c0 74 04 <48> 01 70 08 49 8b 45 58 48 85 c0 74 04 48 01 70 08 49 8b 45 68 48 [ 48.371970][ T5648] RSP: 002b:00007fffe33f1de0 EFLAGS: 00010206 [ 48.467283][ T5648] RAX: 00007f5150a8dd50 RBX: 0000000000000030 RCX: 00007f5150a996f0 [ 48.469831][ T5648] RDX: 00007f5150a8de80 RSI: 00007f5150a2d000 RDI: 000000006fffffff [ 48.506328][ T5648] RBP: 00007fffe33f1f30 R08: 0000000000000006 R09: 00000000effffef5 [ 48.508882][ T5648] R10: 0000000070000029 R11: 00007fffe33f2018 R12: 00007fffe33f1c90 [ 48.511403][ T5648] R13: 00007f5150a996b0 R14: 00007fffe33f1fd0 R15: 00007f5150a8e018 [ 48.550996][ T5648] [ 48.552038][ T5648] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 48.554389][ T5648] CPU: 2 UID: 0 PID: 5648 Comm: rm Not tainted syzkaller #0 PREEMPT(full) [ 48.557097][ T5648] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.560237][ T5648] Call Trace: [ 48.561430][ T5648] [ 48.562503][ T5648] dump_stack_lvl+0x100/0x190 [ 48.564753][ T5648] vpanic+0x552/0x970 [ 48.566425][ T5648] ? __pfx_vpanic+0x10/0x10 [ 48.569663][ T5648] panic+0xd1/0xe0 [ 48.571254][ T5648] ? __pfx_panic+0x10/0x10 [ 48.574573][ T5648] ? check_panic_on_warn+0x1f/0x90 [ 48.576858][ T5648] check_panic_on_warn.cold+0x19/0x34 [ 48.578950][ T5648] ? __rcu_read_unlock+0x235/0x5e0 [ 48.580681][ T5648] __warn.cold+0x191/0x328 [ 48.583055][ T5648] __report_bug+0x296/0x3d0 [ 48.584674][ T5648] ? __rcu_read_unlock+0x235/0x5e0 [ 48.586968][ T5648] ? __pfx___report_bug+0x10/0x10 [ 48.588682][ T5648] ? is_bpf_text_address+0x8a/0x1a0 [ 48.590452][ T5648] ? lock_release+0x245/0x310 [ 48.592065][ T5648] ? bpf_ksym_find+0x128/0x1c0 [ 48.594605][ T5648] ? is_bpf_text_address+0x6f/0x1a0 [ 48.597592][ T5648] ? __rcu_read_unlock+0x235/0x5e0 [ 48.599676][ T5648] report_bug+0xb2/0x220 [ 48.601447][ T5648] ? __rcu_read_unlock+0x235/0x5e0 [ 48.603455][ T5648] handle_bug+0x16a/0x2a0 [ 48.605349][ T5648] exc_invalid_op+0x17/0x50 [ 48.607163][ T5648] asm_exc_invalid_op+0x1a/0x20 [ 48.608888][ T5648] RIP: 0010:__rcu_read_unlock+0x235/0x5e0 [ 48.610803][ T5648] Code: 74 11 c7 45 58 01 00 00 00 bf 09 00 00 00 e8 c2 6f da ff e8 1d fc 22 00 9c 58 f6 c4 02 0f 85 dd 02 00 00 fb e9 57 fe ff ff 90 <0f> 0b 90 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 94 72 88 [ 48.616770][ T5648] RSP: 0000:ffffc900031b7af0 EFLAGS: 00010286 [ 48.618706][ T5648] RAX: 00000000ffffffff RBX: ffff888023f1a500 RCX: ffffffff81e7b7ae [ 48.621192][ T5648] RDX: 0000000000000000 RSI: ffffffff8def9308 RDI: ffff888023f1a9c4 [ 48.623705][ T5648] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 [ 48.626099][ T5648] R10: 0000000080000000 R11: 0000000000000012 R12: ffff888037cb1468 [ 48.628579][ T5648] R13: ffffea0001a97140 R14: 0000000000000000 R15: ffffea0001a97140 [ 48.632296][ T5648] ? nbcon_cpu_emergency_exit+0x11e/0x1e0 [ 48.635842][ T5648] do_wp_page+0x13d7/0x4350 [ 48.639355][ T5648] ? __pfx_do_wp_page+0x10/0x10 [ 48.641916][ T5648] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 48.645311][ T5648] __handle_mm_fault+0x1ab6/0x2a00 [ 48.648454][ T5648] ? reacquire_held_locks+0xce/0x1e0 [ 48.650661][ T5648] ? __pfx___handle_mm_fault+0x10/0x10 [ 48.653627][ T5648] ? lock_vma_under_rcu+0x17c/0x590 [ 48.658549][ T5648] handle_mm_fault+0x36d/0xa20 [ 48.661566][ T5648] do_user_addr_fault+0x5a3/0x12f0 [ 48.664941][ T5648] exc_page_fault+0x6f/0xd0 [ 48.666978][ T5648] asm_exc_page_fault+0x26/0x30 [ 48.668699][ T5648] RIP: 0033:0x7f5150da7418 [ 48.670248][ T5648] Code: fe ff ff 0f 1f 80 00 00 00 00 48 85 f6 0f 84 af 00 00 00 41 f6 85 56 03 00 00 20 0f 85 a1 00 00 00 49 8b 45 60 48 85 c0 74 04 <48> 01 70 08 49 8b 45 58 48 85 c0 74 04 48 01 70 08 49 8b 45 68 48 [ 48.676427][ T5648] RSP: 002b:00007fffe33f1de0 EFLAGS: 00010206 [ 48.678366][ T5648] RAX: 00007f5150a8dd50 RBX: 0000000000000030 RCX: 00007f5150a996f0 [ 48.680906][ T5648] RDX: 00007f5150a8de80 RSI: 00007f5150a2d000 RDI: 000000006fffffff [ 48.683401][ T5648] RBP: 00007fffe33f1f30 R08: 0000000000000006 R09: 00000000effffef5 [ 48.685880][ T5648] R10: 0000000070000029 R11: 00007fffe33f2018 R12: 00007fffe33f1c90 [ 48.688345][ T5648] R13: 00007f5150a996b0 R14: 00007fffe33f1fd0 R15: 00007f5150a8e018 [ 48.693412][ T5648] [ 48.695122][ T5648] Kernel Offset: disabled [ 48.696616][ T5648] Rebooting in 86400 seconds..