last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:56923' (ED25519) to the list of known hosts. [ 45.824317][ T41] audit: type=1400 audit(1777138483.089:62): avc: denied { name_bind } for pid=5636 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 [ 45.858198][ T41] audit: type=1400 audit(1777138483.129:63): avc: denied { execute } for pid=5637 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 [ 45.867437][ T41] audit: type=1400 audit(1777138483.129:64): avc: denied { execute_no_trans } for pid=5637 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 [ 48.020964][ T41] audit: type=1400 audit(1777138485.289:65): avc: denied { mounton } for pid=5637 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 [ 48.028596][ T41] audit: type=1400 audit(1777138485.299:66): avc: denied { mount } for pid=5637 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 [ 48.030384][ T5637] cgroup: Unknown subsys name 'net' [ 48.187272][ T5637] cgroup: Unknown subsys name 'cpuset' [ 48.191183][ T5637] cgroup: Unknown subsys name 'rlimit' [ 48.297006][ T5659] [ 48.297959][ T5659] ===================================== [ 48.299994][ T5659] WARNING: bad unlock balance detected! [ 48.302014][ T5659] syzkaller #0 Not tainted [ 48.303648][ T5659] ------------------------------------- [ 48.305743][ T5659] cmp/5659 is trying to release lock (rcu_read_lock) at: [ 48.308287][ T5659] [] rcu_read_unlock+0x2d/0xb0 [ 48.310614][ T5659] but there are no more locks to release! [ 48.312680][ T5659] [ 48.312680][ T5659] other info that might help us debug this: [ 48.315565][ T5659] 1 lock held by cmp/5659: [ 48.317213][ T5659] #0: ffff88803accd848 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x590 [ 48.320564][ T5659] [ 48.320564][ T5659] stack backtrace: [ 48.322693][ T5659] CPU: 2 UID: 0 PID: 5659 Comm: cmp Not tainted syzkaller #0 PREEMPT(full) [ 48.322709][ T5659] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.322717][ T5659] Call Trace: [ 48.322722][ T5659] [ 48.322727][ T5659] dump_stack_lvl+0x100/0x190 [ 48.322743][ T5659] ? rcu_read_unlock+0x2d/0xb0 [ 48.322762][ T5659] print_unlock_imbalance_bug.part.0+0xfb/0x106 [ 48.322784][ T5659] ? rcu_read_unlock+0x2d/0xb0 [ 48.322801][ T5659] lock_release+0x28d/0x310 [ 48.322818][ T5659] rcu_read_unlock+0x32/0xb0 [ 48.322836][ T5659] finish_fault+0x8ed/0x1400 [ 48.322854][ T5659] do_fault+0xff2/0x1750 [ 48.322869][ T5659] __handle_mm_fault+0x187d/0x2a00 [ 48.322888][ T5659] ? reacquire_held_locks+0xce/0x1e0 [ 48.322905][ T5659] ? __pfx___handle_mm_fault+0x10/0x10 [ 48.322924][ T5659] ? lock_vma_under_rcu+0x17c/0x590 [ 48.322945][ T5659] handle_mm_fault+0x36d/0xa20 [ 48.322963][ T5659] do_user_addr_fault+0x5a3/0x12f0 [ 48.322983][ T5659] exc_page_fault+0x6f/0xd0 [ 48.322998][ T5659] asm_exc_page_fault+0x26/0x30 [ 48.323010][ T5659] RIP: 0033:0x7fd47fe2aff2 [ 48.323021][ T5659] Code: 0f 60 c0 66 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 72 76 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11 [ 48.323033][ T5659] RSP: 002b:00007ffcb5d4bcd8 EFLAGS: 00010206 [ 48.323043][ T5659] RAX: 00007fd47fb30068 RBX: 0000000000000004 RCX: 00007fd47fb326d0 [ 48.323051][ T5659] RDX: 0000000000000f98 RSI: 0000000000000000 RDI: 00007fd47fb30068 [ 48.323059][ T5659] RBP: 00007ffcb5d4c0a0 R08: 00007fd47fb30068 R09: 0000000000000003 [ 48.323067][ T5659] R10: 0000000000000812 R11: 00007ffcb5d4c188 R12: 00007ffcb5d4bd88 [ 48.323075][ T5659] R13: 00007fd47fdffab0 R14: 00007ffcb5d4c140 R15: 00007fd47fb31000 [ 48.323087][ T5659] [ 48.387502][ T5659] ------------[ cut here ]------------ [ 48.389461][ T5659] rrln < 0 || rrln > RCU_NEST_PMAX [ 48.389467][ T5659] WARNING: kernel/rcu/tree_plugin.h:443 at __rcu_read_unlock+0x235/0x5e0, CPU#2: cmp/5659 [ 48.394347][ T5659] Modules linked in: [ 48.396526][ T5659] CPU: 2 UID: 0 PID: 5659 Comm: cmp Not tainted syzkaller #0 PREEMPT(full) [ 48.399254][ T5659] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.402460][ T5659] RIP: 0010:__rcu_read_unlock+0x235/0x5e0 [ 48.404384][ T5659] Code: 74 11 c7 45 58 01 00 00 00 bf 09 00 00 00 e8 c2 6f da ff e8 9d ff 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 54 76 88 [ 48.410588][ T5659] RSP: 0000:ffffc90003a27b28 EFLAGS: 00010286 [ 48.412566][ T5659] RAX: 00000000ffffffff RBX: ffff888029db4a00 RCX: ffffffff81e7b7ae [ 48.415229][ T5659] RDX: 0000000000000000 RSI: ffffffff8def8e2a RDI: ffff888029db4ec4 [ 48.417711][ T5659] RBP: ffff88802bdd4980 R08: 0000000000000005 R09: 0000000000000000 [ 48.420196][ T5659] R10: 0000000080000000 R11: 0000000000000012 R12: ffff88802bf53d40 [ 48.422658][ T5659] R13: ffffc90003a27d58 R14: 0000000000000001 R15: 0000000000000001 [ 48.425595][ T5659] FS: 0000000000000000(0000) GS:ffff8880d6579000(0000) knlGS:0000000000000000 [ 48.429260][ T5659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.431783][ T5659] CR2: 00007fd47fb30068 CR3: 000000003585a000 CR4: 0000000000352ef0 [ 48.434291][ T5659] Call Trace: [ 48.435584][ T5659] [ 48.437666][ T5659] finish_fault+0x8ed/0x1400 [ 48.441966][ T5659] do_fault+0xff2/0x1750 [ 48.444443][ T5659] __handle_mm_fault+0x187d/0x2a00 [ 48.447581][ T5659] ? reacquire_held_locks+0xce/0x1e0 [ 48.449657][ T5659] ? __pfx___handle_mm_fault+0x10/0x10 [ 48.452466][ T5659] ? lock_vma_under_rcu+0x17c/0x590 [ 48.457029][ T5659] handle_mm_fault+0x36d/0xa20 [ 48.459850][ T5659] do_user_addr_fault+0x5a3/0x12f0 [ 48.462942][ T5659] exc_page_fault+0x6f/0xd0 [ 48.465036][ T5659] asm_exc_page_fault+0x26/0x30 [ 48.466743][ T5659] RIP: 0033:0x7fd47fe2aff2 [ 48.468260][ T5659] Code: 0f 60 c0 66 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 72 76 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11 [ 48.474302][ T5659] RSP: 002b:00007ffcb5d4bcd8 EFLAGS: 00010206 [ 48.476368][ T5659] RAX: 00007fd47fb30068 RBX: 0000000000000004 RCX: 00007fd47fb326d0 [ 48.478864][ T5659] RDX: 0000000000000f98 RSI: 0000000000000000 RDI: 00007fd47fb30068 [ 48.481398][ T5659] RBP: 00007ffcb5d4c0a0 R08: 00007fd47fb30068 R09: 0000000000000003 [ 48.483888][ T5659] R10: 0000000000000812 R11: 00007ffcb5d4c188 R12: 00007ffcb5d4bd88 [ 48.486506][ T5659] R13: 00007fd47fdffab0 R14: 00007ffcb5d4c140 R15: 00007fd47fb31000 [ 48.491178][ T5659] [ 48.492177][ T5659] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 48.494500][ T5659] CPU: 2 UID: 0 PID: 5659 Comm: cmp Not tainted syzkaller #0 PREEMPT(full) [ 48.497265][ T5659] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.500446][ T5659] Call Trace: [ 48.501635][ T5659] [ 48.502698][ T5659] dump_stack_lvl+0x100/0x190 [ 48.504972][ T5659] vpanic+0x552/0x970 [ 48.506636][ T5659] ? __pfx_vpanic+0x10/0x10 [ 48.509878][ T5659] panic+0xd1/0xe0 [ 48.511486][ T5659] ? __pfx_panic+0x10/0x10 [ 48.514826][ T5659] ? check_panic_on_warn+0x1f/0x90 [ 48.517132][ T5659] check_panic_on_warn.cold+0x19/0x34 [ 48.519216][ T5659] ? __rcu_read_unlock+0x235/0x5e0 [ 48.520986][ T5659] __warn.cold+0x191/0x328 [ 48.523348][ T5659] __report_bug+0x296/0x3d0 [ 48.524986][ T5659] ? __rcu_read_unlock+0x235/0x5e0 [ 48.527303][ T5659] ? __pfx___report_bug+0x10/0x10 [ 48.529138][ T5659] ? is_bpf_text_address+0x8a/0x1a0 [ 48.530924][ T5659] ? lock_release+0x245/0x310 [ 48.532548][ T5659] ? bpf_ksym_find+0x128/0x1c0 [ 48.534897][ T5659] ? __pfx___schedule+0x10/0x10 [ 48.537127][ T5659] ? preempt_schedule_irq+0x7b/0x90 [ 48.539553][ T5659] ? __rcu_read_unlock+0x235/0x5e0 [ 48.541631][ T5659] report_bug+0xb2/0x220 [ 48.543376][ T5659] ? __rcu_read_unlock+0x235/0x5e0 [ 48.545391][ T5659] handle_bug+0x16a/0x2a0 [ 48.547272][ T5659] exc_invalid_op+0x17/0x50 [ 48.549123][ T5659] asm_exc_invalid_op+0x1a/0x20 [ 48.550861][ T5659] RIP: 0010:__rcu_read_unlock+0x235/0x5e0 [ 48.552792][ T5659] Code: 74 11 c7 45 58 01 00 00 00 bf 09 00 00 00 e8 c2 6f da ff e8 9d ff 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 54 76 88 [ 48.558826][ T5659] RSP: 0000:ffffc90003a27b28 EFLAGS: 00010286 [ 48.560765][ T5659] RAX: 00000000ffffffff RBX: ffff888029db4a00 RCX: ffffffff81e7b7ae [ 48.563236][ T5659] RDX: 0000000000000000 RSI: ffffffff8def8e2a RDI: ffff888029db4ec4 [ 48.565736][ T5659] RBP: ffff88802bdd4980 R08: 0000000000000005 R09: 0000000000000000 [ 48.568217][ T5659] R10: 0000000080000000 R11: 0000000000000012 R12: ffff88802bf53d40 [ 48.570754][ T5659] R13: ffffc90003a27d58 R14: 0000000000000001 R15: 0000000000000001 [ 48.574464][ T5659] ? nbcon_cpu_emergency_exit+0x11e/0x1e0 [ 48.578132][ T5659] finish_fault+0x8ed/0x1400 [ 48.582373][ T5659] do_fault+0xff2/0x1750 [ 48.585033][ T5659] __handle_mm_fault+0x187d/0x2a00 [ 48.588146][ T5659] ? reacquire_held_locks+0xce/0x1e0 [ 48.590311][ T5659] ? __pfx___handle_mm_fault+0x10/0x10 [ 48.593265][ T5659] ? lock_vma_under_rcu+0x17c/0x590 [ 48.598282][ T5659] handle_mm_fault+0x36d/0xa20 [ 48.601352][ T5659] do_user_addr_fault+0x5a3/0x12f0 [ 48.604751][ T5659] exc_page_fault+0x6f/0xd0 [ 48.606819][ T5659] asm_exc_page_fault+0x26/0x30 [ 48.608543][ T5659] RIP: 0033:0x7fd47fe2aff2 [ 48.610118][ T5659] Code: 0f 60 c0 66 0f 61 c0 66 0f 70 c0 00 48 83 fa 10 72 76 48 83 fa 20 77 12 0f 11 44 17 f0 0f 11 07 c3 0f 11 47 e0 0f 11 47 f0 c3 <0f> 11 07 0f 11 47 10 48 01 d7 48 83 fa 40 76 e7 0f 11 40 20 0f 11 [ 48.615818][ T5659] RSP: 002b:00007ffcb5d4bcd8 EFLAGS: 00010206 [ 48.617729][ T5659] RAX: 00007fd47fb30068 RBX: 0000000000000004 RCX: 00007fd47fb326d0 [ 48.620053][ T5659] RDX: 0000000000000f98 RSI: 0000000000000000 RDI: 00007fd47fb30068 [ 48.622541][ T5659] RBP: 00007ffcb5d4c0a0 R08: 00007fd47fb30068 R09: 0000000000000003 [ 48.625033][ T5659] R10: 0000000000000812 R11: 00007ffcb5d4c188 R12: 00007ffcb5d4bd88 [ 48.627488][ T5659] R13: 00007fd47fdffab0 R14: 00007ffcb5d4c140 R15: 00007fd47fb31000 [ 48.632566][ T5659] [ 48.634232][ T5659] Kernel Offset: disabled [ 48.635728][ T5659] Rebooting in 86400 seconds..