[ 81.634083][ T5297] sshd (5297) used greatest stack depth: 18640 bytes left Warning: Permanently added '[localhost]:7060' (ED25519) to the list of known hosts. executing program [ 84.938717][ T5308] loop0: detected capacity change from 0 to 128 [ 84.969995][ T5308] ------------[ cut here ]------------ [ 84.972199][ T5308] WARNING: CPU: 0 PID: 5308 at fs/notify/fanotify/fanotify.h:216 fanotify_handle_event+0x2eba/0x3c50 [ 84.976537][ T5308] Modules linked in: [ 84.978083][ T5308] CPU: 0 UID: 0 PID: 5308 Comm: syz-executor207 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0 [ 84.982980][ T5308] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 84.986865][ T5308] RIP: 0010:fanotify_handle_event+0x2eba/0x3c50 [ 84.989095][ T5308] Code: f6 ff ff e8 58 a4 6e ff 90 0f 0b 90 e9 c0 f7 ff ff e8 4a a4 6e ff 90 0f 0b 90 4c 8b 6c 24 10 e9 e7 f8 ff ff e8 37 a4 6e ff 90 <0f> 0b 90 4c 8b 6c 24 10 e9 04 fb ff ff e8 24 a4 6e ff 90 0f 0b 90 [ 84.995846][ T5308] RSP: 0018:ffffc9000d0473e0 EFLAGS: 00010293 [ 84.998170][ T5308] RAX: ffffffff82263629 RBX: ffffc9000d047844 RCX: ffff888000848000 [ 85.001071][ T5308] RDX: 0000000000000000 RSI: 0000000000000ffd RDI: 00000000000000ff [ 85.003857][ T5308] RBP: ffffc9000d0475e0 R08: ffffffff82262f60 R09: 0000000000000000 [ 85.006776][ T5308] R10: ffff888043bd8038 R11: ffffffff821d7890 R12: ffff888043bd8000 [ 85.009534][ T5308] R13: 0000000000000ffd R14: ffff888043bd8000 R15: dffffc0000000000 [ 85.012376][ T5308] FS: 0000555581eb6380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 85.015580][ T5308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.018016][ T5308] CR2: 0000000020004000 CR3: 000000003600e000 CR4: 0000000000352ef0 [ 85.020855][ T5308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.023693][ T5308] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.026587][ T5308] Call Trace: [ 85.027789][ T5308] [ 85.028810][ T5308] ? __warn+0x168/0x4e0 [ 85.030431][ T5308] ? fanotify_handle_event+0x2eba/0x3c50 [ 85.032432][ T5308] ? report_bug+0x2b3/0x500 [ 85.034128][ T5308] ? fanotify_handle_event+0x2eba/0x3c50 [ 85.036443][ T5308] ? handle_bug+0x60/0x90 [ 85.038017][ T5308] ? exc_invalid_op+0x1a/0x50 [ 85.039715][ T5308] ? asm_exc_invalid_op+0x1a/0x20 [ 85.041595][ T5308] ? __pfx_generic_encode_ino32_fh+0x10/0x10 [ 85.043774][ T5308] ? fanotify_handle_event+0x27f0/0x3c50 [ 85.045791][ T5308] ? fanotify_handle_event+0x2eb9/0x3c50 [ 85.047948][ T5308] ? fanotify_handle_event+0x2eba/0x3c50 [ 85.050035][ T5308] ? __pfx_fanotify_handle_event+0x10/0x10 [ 85.052085][ T5308] ? __pfx_lock_acquire+0x10/0x10 [ 85.053911][ T5308] ? __lock_acquire+0x1384/0x2050 [ 85.055725][ T5308] ? __pfx_fanotify_handle_event+0x10/0x10 [ 85.057917][ T5308] fsnotify+0x1657/0x1f60 [ 85.059555][ T5308] ? fsnotify+0x5d8/0x1f60 [ 85.061230][ T5308] ? __pfx_fsnotify+0x10/0x10 [ 85.062919][ T5308] ? do_raw_spin_unlock+0x58/0x8b0 [ 85.064804][ T5308] __fsnotify_parent+0x4f5/0x5e0 [ 85.066690][ T5308] ? __pfx___fsnotify_parent+0x10/0x10 [ 85.068609][ T5308] vfs_open+0x28d/0x330 [ 85.070148][ T5308] path_openat+0x2c84/0x3590 [ 85.071904][ T5308] ? __pfx_path_openat+0x10/0x10 [ 85.073657][ T5308] do_filp_open+0x235/0x490 [ 85.075272][ T5308] ? __pfx_do_filp_open+0x10/0x10 [ 85.077237][ T5308] ? _raw_spin_unlock+0x28/0x50 [ 85.078983][ T5308] ? alloc_fd+0x5a1/0x640 [ 85.080584][ T5308] do_sys_openat2+0x13e/0x1d0 [ 85.082319][ T5308] ? __pfx_do_sys_openat2+0x10/0x10 [ 85.084183][ T5308] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 85.086611][ T5308] __x64_sys_creat+0x123/0x170 [ 85.088448][ T5308] ? __pfx___x64_sys_creat+0x10/0x10 [ 85.090475][ T5308] ? exc_page_fault+0x590/0x8c0 [ 85.092270][ T5308] ? do_syscall_64+0xb6/0x230 [ 85.093995][ T5308] do_syscall_64+0xf3/0x230 [ 85.095685][ T5308] ? clear_bhb_loop+0x35/0x90 [ 85.097432][ T5308] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.099534][ T5308] RIP: 0033:0x7fde2034f6b9 [ 85.101098][ T5308] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 85.107951][ T5308] RSP: 002b:00007fff3d0c3658 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 85.110888][ T5308] RAX: ffffffffffffffda RBX: 00007fff3d0c3828 RCX: 00007fde2034f6b9 [ 85.113474][ T5308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020003500 [ 85.116071][ T5308] RBP: 00007fde203c3610 R08: 00007fff3d0c3828 R09: 00007fff3d0c3828 [ 85.118734][ T5308] R10: 00007fff3d0c3828 R11: 0000000000000246 R12: 0000000000000001 [ 85.121427][ T5308] R13: 00007fff3d0c3818 R14: 0000000000000001 R15: 0000000000000001 [ 85.124180][ T5308] [ 85.125346][ T5308] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 85.127914][ T5308] CPU: 0 UID: 0 PID: 5308 Comm: syz-executor207 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0 [ 85.131815][ T5308] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.135639][ T5308] Call Trace: [ 85.136740][ T5308] [ 85.137882][ T5308] dump_stack_lvl+0x241/0x360 [ 85.139706][ T5308] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.141684][ T5308] ? __pfx__printk+0x10/0x10 [ 85.143328][ T5308] ? vscnprintf+0x5d/0x90 [ 85.144920][ T5308] panic+0x349/0x880 [ 85.146341][ T5308] ? __warn+0x177/0x4e0 [ 85.147790][ T5308] ? __pfx_panic+0x10/0x10 [ 85.149350][ T5308] __warn+0x34b/0x4e0 [ 85.150744][ T5308] ? fanotify_handle_event+0x2eba/0x3c50 [ 85.152684][ T5308] report_bug+0x2b3/0x500 [ 85.154254][ T5308] ? fanotify_handle_event+0x2eba/0x3c50 [ 85.156247][ T5308] handle_bug+0x60/0x90 [ 85.157759][ T5308] exc_invalid_op+0x1a/0x50 [ 85.159395][ T5308] asm_exc_invalid_op+0x1a/0x20 [ 85.161100][ T5308] RIP: 0010:fanotify_handle_event+0x2eba/0x3c50 [ 85.163294][ T5308] Code: f6 ff ff e8 58 a4 6e ff 90 0f 0b 90 e9 c0 f7 ff ff e8 4a a4 6e ff 90 0f 0b 90 4c 8b 6c 24 10 e9 e7 f8 ff ff e8 37 a4 6e ff 90 <0f> 0b 90 4c 8b 6c 24 10 e9 04 fb ff ff e8 24 a4 6e ff 90 0f 0b 90 [ 85.169941][ T5308] RSP: 0018:ffffc9000d0473e0 EFLAGS: 00010293 [ 85.172124][ T5308] RAX: ffffffff82263629 RBX: ffffc9000d047844 RCX: ffff888000848000 [ 85.174934][ T5308] RDX: 0000000000000000 RSI: 0000000000000ffd RDI: 00000000000000ff [ 85.177768][ T5308] RBP: ffffc9000d0475e0 R08: ffffffff82262f60 R09: 0000000000000000 [ 85.180564][ T5308] R10: ffff888043bd8038 R11: ffffffff821d7890 R12: ffff888043bd8000 [ 85.183203][ T5308] R13: 0000000000000ffd R14: ffff888043bd8000 R15: dffffc0000000000 [ 85.185619][ T5308] ? __pfx_generic_encode_ino32_fh+0x10/0x10 [ 85.187541][ T5308] ? fanotify_handle_event+0x27f0/0x3c50 [ 85.189399][ T5308] ? fanotify_handle_event+0x2eb9/0x3c50 [ 85.191249][ T5308] ? __pfx_fanotify_handle_event+0x10/0x10 [ 85.193214][ T5308] ? __pfx_lock_acquire+0x10/0x10 [ 85.194988][ T5308] ? __lock_acquire+0x1384/0x2050 [ 85.196762][ T5308] ? __pfx_fanotify_handle_event+0x10/0x10 [ 85.198858][ T5308] fsnotify+0x1657/0x1f60 [ 85.200527][ T5308] ? fsnotify+0x5d8/0x1f60 [ 85.202109][ T5308] ? __pfx_fsnotify+0x10/0x10 [ 85.203755][ T5308] ? do_raw_spin_unlock+0x58/0x8b0 [ 85.205640][ T5308] __fsnotify_parent+0x4f5/0x5e0 [ 85.207489][ T5308] ? __pfx___fsnotify_parent+0x10/0x10 [ 85.209497][ T5308] vfs_open+0x28d/0x330 [ 85.211013][ T5308] path_openat+0x2c84/0x3590 [ 85.212743][ T5308] ? __pfx_path_openat+0x10/0x10 [ 85.214592][ T5308] do_filp_open+0x235/0x490 [ 85.216222][ T5308] ? __pfx_do_filp_open+0x10/0x10 [ 85.218072][ T5308] ? _raw_spin_unlock+0x28/0x50 [ 85.219857][ T5308] ? alloc_fd+0x5a1/0x640 [ 85.221443][ T5308] do_sys_openat2+0x13e/0x1d0 [ 85.223181][ T5308] ? __pfx_do_sys_openat2+0x10/0x10 [ 85.225111][ T5308] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 85.227350][ T5308] __x64_sys_creat+0x123/0x170 [ 85.229083][ T5308] ? __pfx___x64_sys_creat+0x10/0x10 [ 85.230988][ T5308] ? exc_page_fault+0x590/0x8c0 [ 85.232741][ T5308] ? do_syscall_64+0xb6/0x230 [ 85.234480][ T5308] do_syscall_64+0xf3/0x230 [ 85.236125][ T5308] ? clear_bhb_loop+0x35/0x90 [ 85.237840][ T5308] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.240022][ T5308] RIP: 0033:0x7fde2034f6b9 [ 85.241661][ T5308] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 85.248618][ T5308] RSP: 002b:00007fff3d0c3658 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 85.251695][ T5308] RAX: ffffffffffffffda RBX: 00007fff3d0c3828 RCX: 00007fde2034f6b9 [ 85.254584][ T5308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020003500 [ 85.257381][ T5308] RBP: 00007fde203c3610 R08: 00007fff3d0c3828 R09: 00007fff3d0c3828 [ 85.260168][ T5308] R10: 00007fff3d0c3828 R11: 0000000000000246 R12: 0000000000000001 [ 85.263050][ T5308] R13: 00007fff3d0c3818 R14: 0000000000000001 R15: 0000000000000001 [ 85.265985][ T5308] [ 85.267358][ T5308] Kernel Offset: disabled [ 85.268948][ T5308] Rebooting in 86400 seconds.. VM DIAGNOSIS: 05:59:38 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000038 RBX=ffffffff9a719ec0 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000d046b10 R8 =ffffffff854ae41b R9 =1ffff11003d65046 R10=dffffc0000000000 R11=ffffffff854ae3d0 R12=dffffc0000000000 R13=ffffffff9a414eec R14=0000000000000038 R15=00000000000003f8 RIP=ffffffff854ae44e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000555581eb6380 ffffffff 00c00000 GS =0000 ffff88801fc00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000000020004000 CR3=000000003600e000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=00000000ffffffff Opmask01=0000000000000000 Opmask02=000000000000001f Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff3d0c2c40 00007fff3d0c2c20 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff3d0c2d80 00007fff3d0c2c00 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fde203b5424 00007fde203c8260 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff3d0c2c40 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff3d0c2d80 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff3d0c2d80 00007fff3d0c2c00 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff3d0c2c40 00007fff3d0c2c20 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000736f64736d ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000