DUID 00:04:a1:af:59:a1:d1:b4:3c:07:ca:f1:84:99:36:26:44:c7 forked to background, child pid 4667 [ 21.621176][ T4668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.634155][ T4668] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.791080][ T4992] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4992 'syz-executor127' [ 38.822300][ T4992] loop0: detected capacity change from 0 to 8192 [ 38.831728][ T4992] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 38.844847][ T4992] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 38.854350][ T4992] REISERFS (device loop0): using ordered data mode [ 38.860893][ T4992] reiserfs: using flush barriers [ 38.867000][ T4992] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 38.883412][ T4992] REISERFS (device loop0): checking transaction log (loop0) [ 38.892998][ T4992] REISERFS (device loop0): Using r5 hash to sort names [ 38.901577][ T4992] reiserfs: enabling write barrier flush mode [ 38.913388][ T4994] general protection fault, probably for non-canonical address 0xdffffc0000000030: 0000 [#1] PREEMPT SMP KASAN [ 38.915141][ C1] ------------[ cut here ]------------ [ 38.925198][ T4994] KASAN: null-ptr-deref in range [0x0000000000000180-0x0000000000000187] [ 38.930651][ C1] WARNING: CPU: 1 PID: 0 at kernel/rcu/tree_plugin.h:429 __rcu_read_unlock+0x24b/0x570 [ 38.939034][ T4994] CPU: 0 PID: 4994 Comm: udevd Not tainted 6.4.0-rc7-syzkaller-00234-g547cc9be86f4 #0 [ 38.948625][ C1] Modules linked in: [ 38.958132][ T4994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 38.961996][ C1] CPU: 1 PID: 0 Comm: Not tainted 6.4.0-rc7-syzkaller-00234-g547cc9be86f4 #0 [ 38.972287][ T4994] RIP: 0010:__lock_acquire+0xe01/0x5f30 [ 38.981096][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 38.986612][ T4994] Code: 00 00 3b 05 01 b0 59 0f 0f 87 7a 09 00 00 41 be 01 00 00 00 e9 84 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 33 00 00 49 81 3c 24 20 38 16 90 0f 84 cd f2 [ 38.996640][ C1] RIP: 0010:__rcu_read_unlock+0x24b/0x570 [ 39.016213][ T4994] RSP: 0000:ffffc90003b0f5d8 EFLAGS: 00010016 [ 39.022075][ C1] Code: 00 e8 79 67 df ff 4d 85 f6 74 05 e8 2f 79 1c 00 9c 58 f6 c4 02 0f 85 78 02 00 00 4d 85 f6 0f 84 83 fe ff ff fb e9 7d fe ff ff <0f> 0b 5b 5d 41 5c 41 5d 41 5e c3 e8 35 ab 68 00 e9 2a fe ff ff e8 [ 39.028122][ T4994] [ 39.028127][ T4994] RAX: dffffc0000000000 RBX: 1ffff92000761eec RCX: 0000000000000000 [ 39.047789][ C1] RSP: 0018:ffffc900001e0b68 EFLAGS: 00010096 [ 39.050089][ T4994] RDX: 0000000000000030 RSI: 0000000000000000 RDI: 0000000000000180 [ 39.058116][ C1] [ 39.058121][ C1] RAX: 00000000ffff8880 RBX: ffff88807d883b80 RCX: 0000000000000000 [ 39.064148][ T4994] RBP: ffff888076abbb80 R08: 0000000000000001 R09: 0000000000000000 [ 39.072089][ C1] RDX: 0000000000000000 RSI: ffffffff819208af RDI: ffff88807d883fbc [ 39.074439][ T4994] R10: 0000000000000001 R11: ffffffff81d6f0d2 R12: 0000000000000180 [ 39.082553][ C1] RBP: ffff88807d883b80 R08: 0000000000000005 R09: 0000000000000000 [ 39.090599][ T4994] R13: 0000000000000000 R14: 0000000000000180 R15: 0000000000000000 [ 39.098547][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88807d883b80 [ 39.106494][ T4994] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 39.114435][ C1] R13: ffffc900001e0cc8 R14: 0000000000000000 R15: 0000000000000000 [ 39.122378][ T4994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.130316][ C1] FS: 0000555556831300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 39.139213][ T4994] CR2: fffffffffffffff9 CR3: 00000000278f2000 CR4: 0000000000350ef0 [ 39.147347][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.153911][ T4994] Call Trace: [ 39.162804][ C1] CR2: 000055977fd2e000 CR3: 0000000027a1f000 CR4: 0000000000350ee0 [ 39.170772][ T4994] [ 39.177327][ C1] Call Trace: [ 39.177334][ C1] [ 39.180582][ T4994] ? die_addr+0x3c/0xa0 [ 39.188593][ C1] ? __warn+0xe6/0x390 [ 39.191445][ T4994] ? exc_general_protection+0x129/0x230 [ 39.194831][ C1] ? __rcu_read_unlock+0x24b/0x570 [ 39.197549][ T4994] ? asm_exc_general_protection+0x26/0x30 [ 39.201909][ C1] ? report_bug+0x2da/0x500 [ 39.205711][ T4994] ? kasan_save_stack+0x22/0x40 [ 39.211821][ C1] ? handle_bug+0x3c/0x70 [ 39.216312][ T4994] ? __lock_acquire+0xe01/0x5f30 [ 39.222059][ C1] ? exc_invalid_op+0x18/0x50 [ 39.226480][ T4994] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 39.231415][ C1] ? asm_exc_invalid_op+0x1a/0x20 [ 39.235596][ T4994] ? print_usage_bug.part.0+0x660/0x660 [ 39.241272][ C1] ? search_bpf_extables+0x1af/0x320 [ 39.245146][ T4994] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 39.251223][ C1] ? __rcu_read_unlock+0x24b/0x570 [ 39.256090][ T4994] ? find_held_lock+0x2d/0x110 [ 39.262214][ C1] search_bpf_extables+0x1b4/0x320 [ 39.266867][ T4994] lock_acquire+0x1b1/0x520 [ 39.272814][ C1] ? cpuacct_account_field+0x9d/0x1e0 [ 39.277904][ T4994] ? unlink_file_vma+0x81/0x120 [ 39.282820][ C1] fixup_exception+0x51/0xce0 [ 39.287720][ T4994] ? lock_sync+0x190/0x190 [ 39.292731][ C1] gp_try_fixup_and_notify.constprop.0+0x1e/0xf0 [ 39.297540][ T4994] down_write+0x92/0x200 [ 39.302593][ C1] exc_general_protection+0xe8/0x230 [ 39.306999][ T4994] ? unlink_file_vma+0x81/0x120 [ 39.312406][ C1] asm_exc_general_protection+0x26/0x30 [ 39.317679][ T4994] ? rwsem_down_write_slowpath+0x1220/0x1220 [ 39.321891][ C1] RIP: 0010:cpuacct_account_field+0x9d/0x1e0 [ 39.327148][ T4994] ? down_write+0x14f/0x200 [ 39.331973][ C1] Code: 74 68 48 bd 00 00 00 00 00 fc ff df 49 c1 e4 03 48 c7 c7 80 48 4c 8a e8 41 e9 ad 08 48 8d bb 20 01 00 00 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 05 01 00 00 48 8b 83 20 01 00 00 48 8d bb 10 01 [ 39.337490][ T4994] ? unlink_anon_vmas+0x57c/0x860 [ 39.343433][ C1] RSP: 0018:ffffc900001e0d78 EFLAGS: 00010016 [ 39.349471][ T4994] unlink_file_vma+0x81/0x120 [ 39.353940][ C1] [ 39.353945][ C1] RAX: 0000000000000024 RBX: 0000000000000000 RCX: ffffffff8162f7f5 [ 39.373519][ T4994] free_pgtables+0x147/0x930 [ 39.378510][ C1] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000120 [ 39.384549][ T4994] ? free_pgd_range+0xbf0/0xbf0 [ 39.389192][ C1] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 39.391523][ T4994] exit_mmap+0x29e/0x930 [ 39.399462][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000010 [ 39.404022][ T4994] ? do_vma_munmap+0xa0/0xa0 [ 39.411964][ C1] R13: 0000000000956d96 R14: ffff88807e713d38 R15: ffffffff8177a110 [ 39.416797][ T4994] __mmput+0x128/0x4c0 [ 39.424817][ C1] ? tick_sched_do_timer+0x460/0x460 [ 39.429037][ T4994] mmput+0x60/0x70 [ 39.437842][ C1] ? cpuacct_account_field+0x1c5/0x1e0 [ 39.441808][ T4994] do_exit+0x9b0/0x29b0 [ 39.450230][ C1] ? cpuacct_account_field+0x8f/0x1e0 [ 39.453789][ T4994] ? find_held_lock+0x2d/0x110 [ 39.459283][ C1] account_system_index_time+0x11a/0x2f0 [ 39.462737][ T4994] ? mm_update_next_owner+0x7b0/0x7b0 [ 39.468461][ C1] update_process_times+0x26/0x1a0 [ 39.472291][ T4994] do_group_exit+0xd4/0x2a0 [ 39.477809][ C1] tick_sched_handle+0x8e/0x170 [ 39.482365][ T4994] get_signal+0x2318/0x25b0 [ 39.488149][ C1] tick_sched_timer+0xee/0x110 [ 39.493320][ T4994] ? force_sig_info_to_task+0x363/0x4a0 [ 39.498693][ C1] __hrtimer_run_queues+0x1c0/0xbe0 [ 39.502888][ T4994] ? exit_signals+0x910/0x910 [ 39.508473][ C1] ? enqueue_hrtimer+0x320/0x320 [ 39.512184][ T4994] ? force_sig_fault+0xb6/0xf0 [ 39.516917][ C1] ? ktime_get_update_offsets_now+0x3ef/0x5c0 [ 39.522525][ T4994] arch_do_signal_or_restart+0x79/0x5c0 [ 39.528507][ C1] hrtimer_interrupt+0x320/0x7b0 [ 39.532340][ T4994] ? get_sigframe_size+0x10/0x10 [ 39.538331][ C1] __sysvec_apic_timer_interrupt+0x14a/0x430 [ 39.542000][ T4994] ? __bad_area_nosemaphore+0x33b/0x6c0 [ 39.548193][ C1] sysvec_apic_timer_interrupt+0x92/0xc0 [ 39.553573][ T4994] ? trace_hardirqs_off+0x6a/0x120 [ 39.558540][ C1] [ 39.563382][ T4994] ? __bad_area_nosemaphore+0x33b/0x6c0 [ 39.569333][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 39.574845][ T4994] exit_to_user_mode_prepare+0x11f/0x240 [ 39.580465][ T4994] irqentry_exit_to_user_mode+0x9/0x40 [ 39.585566][ T4994] exc_page_fault+0xc0/0x170 [ 39.588510][ T4994] asm_exc_page_fault+0x26/0x30 [ 39.594046][ T4994] RIP: 0033:0x7fd9a06c926e [ 39.601305][ T4994] Code: Unable to access opcode bytes at 0x7fd9a06c9244. [ 39.606907][ T4994] RSP: 002b:00007fffd3ceb1d0 EFLAGS: 00010202 [ 39.616899][ T4994] RAX: 000056344395de44 RBX: fffffffffffffe60 RCX: 000000000000001f [ 39.621723][ T4994] RDX: 000056344395f79e RSI: 000056312086e010 RDI: 0000000000000001 [ 39.626112][ T4994] RBP: 0000563120882320 R08: 0000000000000000 R09: 8ad69a18ea1c0cdc [ 39.633103][ T4994] R10: 00000000ffffffff R11: 0000000000000007 R12: fffffffffffffff1 [ 39.639143][ T4994] R13: 000056311ea72040 R14: 0000000000000000 R15: 000056312086e910 [ 39.647100][ T4994] [ 39.655050][ T4994] Modules linked in: [ 39.678958][ T4994] ---[ end trace 0000000000000000 ]--- [ 39.681979][ T4994] RIP: 0010:__lock_acquire+0xe01/0x5f30 [ 39.685869][ T4994] Code: 00 00 3b 05 01 b0 59 0f 0f 87 7a 09 00 00 41 be 01 00 00 00 e9 84 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 9e 33 00 00 49 81 3c 24 20 38 16 90 0f 84 cd f2 [ 39.691306][ T4994] RSP: 0000:ffffc90003b0f5d8 EFLAGS: 00010016 [ 39.716398][ T4994] RAX: dffffc0000000000 RBX: 1ffff92000761eec RCX: 0000000000000000 [ 39.722447][ T4994] RDX: 0000000000000030 RSI: 0000000000000000 RDI: 0000000000000180 [ 39.730577][ T4994] RBP: ffff888076abbb80 R08: 0000000000000001 R09: 0000000000000000 [ 39.738614][ T4994] R10: 0000000000000001 R11: ffffffff81d6f0d2 R12: 0000000000000180 [ 39.746562][ T4994] R13: 0000000000000000 R14: 0000000000000180 R15: 0000000000000000 [ 39.754511][ T4994] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 39.762472][ T4994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.771375][ T4994] CR2: fffffffffffffff9 CR3: 00000000278f2000 CR4: 0000000000350ef0 [ 40.653335][ C1] Shutting down cpus with NMI [ 40.667423][ C1] Kernel Offset: disabled [ 40.671814][ C1] Rebooting in 86400 seconds..