[ 65.286679][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.286692][ T22] RIP: 0010:kvm_fastop_exception+0xf6a/0x1058 [ 65.286719][ T22] Code: d3 ed e9 ef d4 6e f8 49 8d 0e 48 83 e1 f8 4c 8b 21 41 8d 0e 83 e1 07 c1 e1 03 49 d3 ec e9 45 e2 6e f8 49 8d 4d 00 48 83 e1 f8 <4c> 8b 21 41 8d 4d 00 83 e1 07 c1 e1 03 49 d3 ec e9 35 ec 6e f8 bd [ 65.286742][ T22] RSP: 0018:ffffc90000dcfae8 EFLAGS: 00010282 [ 65.286762][ T22] RAX: 0000003361736376 RBX: ffff88806f1e3068 RCX: ffff88823bd14020 [ 65.286779][ T22] RDX: ffffed100de3c614 RSI: 0000000000000005 RDI: 0000000000000007 [ 65.286795][ T22] RBP: 0000000000000005 R08: 0000000000000000 R09: ffff88806f1e3098 [ 65.286810][ T22] R10: ffffed100de3c613 R11: 0000000000000000 R12: ffff88823bd14020 [ 65.286826][ T22] R13: ffff88823bd14020 R14: ffff88806f1e3098 R15: dffffc0000000000 [ 65.286843][ T22] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 65.286866][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.286883][ T22] CR2: ffff88823bd14020 CR3: 000000007253a000 CR4: 00000000001506f0 [ 65.286899][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.286914][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.286929][ T22] Call Trace: [ 65.286941][ T22] d_lookup+0xd8/0x170 [ 65.286975][ T22] lookup_dcache+0x1e/0x130 [ 65.287001][ T22] __lookup_hash+0x29/0x180 [ 65.287028][ T22] kern_path_locked+0x17e/0x320 [ 65.287056][ T22] ? filename_lookup+0x80/0x80 [ 65.287089][ T22] handle_remove+0xa2/0x5fe [ 65.287117][ T22] ? cacheinfo_cpu_online.cold+0x3e/0x3e [ 65.287148][ T22] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 65.287176][ T22] ? finish_task_switch.isra.0+0x232/0xa50 [ 65.287207][ T22] ? find_held_lock+0x2d/0x110 [ 65.287231][ T22] ? devtmpfsd+0xaa/0x2a3 [ 65.287256][ T22] ? lock_downgrade+0x6e0/0x6e0 [ 65.287279][ T22] ? do_raw_spin_lock+0x120/0x2b0 [ 65.287305][ T22] ? rwlock_bug.part.0+0x90/0x90 [ 65.287333][ T22] devtmpfsd+0x1b9/0x2a3 [ 65.287357][ T22] ? dmar_validate_one_drhd+0x24d/0x24d [ 65.287384][ T22] kthread+0x3e5/0x4d0 [ 65.287409][ T22] ? set_kthread_struct+0x130/0x130 [ 65.287439][ T22] ret_from_fork+0x1f/0x30 [ 65.287469][ T22] ================================================================== [ 65.287478][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 65.287727][ T22] CPU: 0 PID: 22 Comm: kdevtmpfs Not tainted 5.14.0-syzkaller #0 [ 65.287754][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.287769][ T22] Call Trace: [ 65.287778][ T22] dump_stack_lvl+0xcd/0x134 [ 65.287808][ T22] panic+0x2b0/0x6dd [ 65.287832][ T22] ? __warn_printk+0xf3/0xf3 [ 65.287869][ T22] ? kfence_report_error.cold+0x2f3/0xa56 [ 65.287905][ T22] kfence_report_error.cold+0x304/0xa56 [ 65.287934][ T22] ? kvm_fastop_exception+0xf6a/0x1058 [ 65.288036][ T22] ? kfence_print_object+0x350/0x350 [ 65.288068][ T22] ? add_lock_to_list.constprop.0+0x185/0x370 [ 65.288092][ T22] ? kvm_fastop_exception+0xf6a/0x1058 [ 65.288116][ T22] ? d_lookup+0xd8/0x170 [ 65.288141][ T22] ? lookup_dcache+0x1e/0x130 [ 65.288167][ T22] ? __lookup_hash+0x29/0x180 [ 65.288192][ T22] ? kern_path_locked+0x17e/0x320 [ 65.288216][ T22] ? handle_remove+0xa2/0x5fe [ 65.288243][ T22] ? devtmpfsd+0x1b9/0x2a3 [ 65.288267][ T22] ? kthread+0x3e5/0x4d0 [ 65.288294][ T22] ? ret_from_fork+0x1f/0x30 [ 65.288370][ T22] ? mark_lock+0xef/0x17b0 [ 65.288411][ T22] kfence_handle_page_fault+0x203/0x630 [ 65.288449][ T22] page_fault_oops+0x1c5/0x6b0 [ 65.288473][ T22] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 65.288504][ T22] ? is_prefetch.constprop.0+0xb7/0x530 [ 65.288532][ T22] ? dump_pagetable+0xc0/0xc0 [ 65.288558][ T22] ? pgtable_bad+0x90/0x90 [ 65.288588][ T22] ? search_bpf_extables+0x1d1/0x2f0 [ 65.288614][ T22] ? kvm_fastop_exception+0xf6a/0x1058 [ 65.288648][ T22] kernelmode_fixup_or_oops+0x219/0x280 [ 65.288681][ T22] __bad_area_nosemaphore+0x36d/0x400 [ 65.288710][ T22] ? spurious_kernel_fault+0x38d/0x5b0 [ 65.288742][ T22] do_kern_addr_fault+0x5b/0x70 [ 65.288772][ T22] exc_page_fault+0x155/0x180 [ 65.288802][ T22] asm_exc_page_fault+0x1e/0x30 [ 65.288830][ T22] RIP: 0010:kvm_fastop_exception+0xf6a/0x1058 [ 65.288858][ T22] Code: d3 ed e9 ef d4 6e f8 49 8d 0e 48 83 e1 f8 4c 8b 21 41 8d 0e 83 e1 07 c1 e1 03 49 d3 ec e9 45 e2 6e f8 49 8d 4d 00 48 83 e1 f8 <4c> 8b 21 41 8d 4d 00 83 e1 07 c1 e1 03 49 d3 ec e9 35 ec 6e f8 bd [ 65.288882][ T22] RSP: 0018:ffffc90000dcfae8 EFLAGS: 00010282 [ 65.288904][ T22] RAX: 0000003361736376 RBX: ffff88806f1e3068 RCX: ffff88823bd14020 [ 65.288922][ T22] RDX: ffffed100de3c614 RSI: 0000000000000005 RDI: 0000000000000007 [ 65.288939][ T22] RBP: 0000000000000005 R08: 0000000000000000 R09: ffff88806f1e3098 [ 65.289042][ T22] R10: ffffed100de3c613 R11: 0000000000000000 R12: ffff88823bd14020 [ 65.289063][ T22] R13: ffff88823bd14020 R14: ffff88806f1e3098 R15: dffffc0000000000 [ 65.289100][ T22] ? __d_lookup+0x372/0x720 [ 65.289143][ T22] d_lookup+0xd8/0x170 [ 65.289174][ T22] lookup_dcache+0x1e/0x130 [ 65.289204][ T22] __lookup_hash+0x29/0x180 [ 65.289236][ T22] kern_path_locked+0x17e/0x320 [ 65.289266][ T22] ? filename_lookup+0x80/0x80 [ 65.289309][ T22] handle_remove+0xa2/0x5fe [ 65.289343][ T22] ? cacheinfo_cpu_online.cold+0x3e/0x3e [ 65.289380][ T22] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 65.289408][ T22] ? finish_task_switch.isra.0+0x232/0xa50 [ 65.289449][ T22] ? find_held_lock+0x2d/0x110 [ 65.289479][ T22] ? devtmpfsd+0xaa/0x2a3 [ 65.289506][ T22] ? lock_downgrade+0x6e0/0x6e0 [ 65.289533][ T22] ? do_raw_spin_lock+0x120/0x2b0 [ 65.289563][ T22] ? rwlock_bug.part.0+0x90/0x90 [ 65.289612][ T22] devtmpfsd+0x1b9/0x2a3 [ 65.289643][ T22] ? dmar_validate_one_drhd+0x24d/0x24d [ 65.289676][ T22] kthread+0x3e5/0x4d0 [ 65.289703][ T22] ? set_kthread_struct+0x130/0x130 [ 65.289736][ T22] ret_from_fork+0x1f/0x30 [ 65.291109][ T22] Kernel Offset: disabled