Warning: Permanently added '[localhost]:10289' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 43.704796][ T8242] loop3: detected capacity change from 0 to 32768 [ 43.707859][ T8215] loop0: detected capacity change from 0 to 32768 [ 43.733656][ T8239] loop2: detected capacity change from 0 to 32768 [ 43.759686][ T8234] loop1: detected capacity change from 0 to 32768 [ 43.921958][ T8248] loop5: detected capacity change from 0 to 32768 [ 43.947086][ T8243] loop4: detected capacity change from 0 to 32768 [ 43.969139][ T8250] loop9: detected capacity change from 0 to 32768 [ 43.986996][ T8254] loop14: detected capacity change from 0 to 32768 [ 44.060631][ T8218] BUG: kernel NULL pointer dereference, address: 0000000000000030 [ 44.061395][ T8218] #PF: supervisor read access in kernel mode [ 44.061959][ T8218] #PF: error_code(0x0000) - not-present page [ 44.062526][ T8218] PGD 0 P4D 0 [ 44.062898][ T8218] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI [ 44.063564][ T8218] CPU: 1 UID: 0 PID: 8218 Comm: syz-executor368 Not tainted 6.12.0-rc1 #5 [ 44.064885][ T8218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 [ 44.065764][ T8218] RIP: 0010:write_special_inodes+0x38/0x70 [ 44.066375][ T8218] Code: 53 e8 6c 30 68 ff 49 8b 45 00 49 39 c5 74 43 48 8d 58 c8 e8 5a 30 68 ff 48 8b 43 10 48 8b 78 30 2e e8 4c 0d 39 03 48 8b 43 28 <48> 8b 78 30 2e e8 3e 0d 39 03 48 8b 83 b0 00 00 00 48 8b 78 30 2e [ 44.068207][ T8218] RSP: 0018:ffff88800f2c3ce8 EFLAGS: 00010286 [ 44.068812][ T8218] RAX: 0000000000000000 RBX: ffff88800e279c00 RCX: ffffffff814acf4f [ 44.069570][ T8218] RDX: ffff88800dde3300 RSI: ffffffff814acf5b RDI: 0000000000000005 [ 44.070349][ T8218] RBP: ffff88800f2c3d00 R08: ffff88800a50e3d0 R09: 0000000000000001 [ 44.071123][ T8218] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff814b2420 [ 44.071889][ T8218] R13: ffff888040fd5200 R14: ffff888040fd5280 R15: 0000000000000000 [ 44.072665][ T8218] FS: 00005555717b43c0(0000) GS:ffff88807ee00000(0000) knlGS:0000000000000000 [ 44.073532][ T8218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.074184][ T8218] CR2: 0000000000000030 CR3: 000000000d8fa000 CR4: 0000000000350ef0 [ 44.074962][ T8218] Call Trace: [ 44.075300][ T8218] <TASK> [ 44.075599][ T8218] ? show_regs+0x68/0x80 [ 44.076065][ T8218] ? __die+0x24/0x70 [ 44.076490][ T8218] ? page_fault_oops+0x24d/0x630 [ 44.077009][ T8218] ? srso_return_thunk+0x5/0x5f [ 44.077511][ T8218] ? __kvm_handle_async_pf+0x24/0x140 [ 44.078096][ T8218] ? exc_page_fault+0x760/0xda0 [ 44.078637][ T8218] ? asm_exc_page_fault+0x2b/0x30 [ 44.079197][ T8218] ? __pfx_filemap_flush+0x10/0x10 [ 44.079730][ T8218] ? filemap_fdatawrite_wbc+0x4f/0xd0 [ 44.080314][ T8218] ? filemap_fdatawrite_wbc+0x5b/0xd0 [ 44.080893][ T8218] ? write_special_inodes+0x38/0x70 [ 44.081423][ T8218] ? write_special_inodes+0x34/0x70 [ 44.081967][ T8218] lmLogSync+0x231/0x310 [ 44.082412][ T8218] ? srso_return_thunk+0x5/0x5f [ 44.082917][ T8218] ? __sanitizer_cov_trace_const_cmp4+0x1a/0x20 [ 44.083568][ T8218] ? srso_return_thunk+0x5/0x5f [ 44.083893][ T8253] loop11: detected capacity change from 0 to 32768 [ 44.084063][ T8218] ? jfs_flush_journal+0x2d3/0x4b0 [ 44.085204][ T8218] jfs_syncpt+0x6d/0x70 [ 44.085640][ T8218] jfs_sync_fs+0x51/0x70 [ 44.086107][ T8218] ? __pfx_jfs_sync_fs+0x10/0x10 [ 44.086625][ T8218] sync_filesystem+0x8d/0x140 [ 44.087120][ T8218] generic_shutdown_super+0x39/0x170 [ 44.087674][ T8218] kill_block_super+0x22/0x50 [ 44.088178][ T8218] deactivate_locked_super+0x57/0x1a0 [ 44.088742][ T8218] deactivate_super+0x83/0xa0 [ 44.089265][ T8218] cleanup_mnt+0x17e/0x210 [ 44.089734][ T8218] __cleanup_mnt+0x1a/0x30 [ 44.090212][ T8218] task_work_run+0x9d/0xf0 [ 44.090688][ T8218] syscall_exit_to_user_mode+0x17f/0x190 [ 44.091087][ T8247] loop10: detected capacity change from 0 to 32768 [ 44.091253][ T8218] do_syscall_64+0xab/0x1d0 [ 44.092312][ T8218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.092931][ T8218] RIP: 0033:0x7f44ff534f8b [ 44.093385][ T8218] Code: 08 00 48 83 c4 08 5b 5d c3 66 0f 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 [ 44.095191][ T8218] RSP: 002b:00007ffc50d9a3b8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 44.096010][ T8218] RAX: 0000000000000000 RBX: 000000000000a5ee RCX: 00007f44ff534f8b [ 44.096766][ T8218] RDX: 00007f44ff4e4e88 RSI: 0000000000000009 RDI: 00007ffc50d9a470 [ 44.097530][ T8218] RBP: 00007ffc50d9a470 R08: 0000000000000000 R09: 00007ffc50d9a240 [ 44.098292][ T8218] R10: 00005555717b57b3 R11: 0000000000000202 R12: 00007ffc50d9b500 [ 44.099058][ T8218] R13: 00005555717b5770 R14: 00007ffc50d9a3d8 R15: 00007ffc50d9b560 [ 44.099831][ T8218] </TASK> [ 44.100138][ T8218] Modules linked in: [ 44.100537][ T8218] CR2: 0000000000000030 [ 44.100952][ T8218] ---[ end trace 0000000000000000 ]--- [ 44.101472][ T8218] RIP: 0010:write_special_inodes+0x38/0x70 [ 44.102070][ T8218] Code: 53 e8 6c 30 68 ff 49 8b 45 00 49 39 c5 74 43 48 8d 58 c8 e8 5a 30 68 ff 48 8b 43 10 48 8b 78 30 2e e8 4c 0d 39 03 48 8b 43 28 <48> 8b 78 30 2e e8 3e 0d 39 03 48 8b 83 b0 00 00 00 48 8b 78 30 2e [ 44.103876][ T8218] RSP: 0018:ffff88800f2c3ce8 EFLAGS: 00010286 [ 44.104474][ T8218] RAX: 0000000000000000 RBX: ffff88800e279c00 RCX: ffffffff814acf4f [ 44.105248][ T8218] RDX: ffff88800dde3300 RSI: ffffffff814acf5b RDI: 0000000000000005 [ 44.106014][ T8218] RBP: ffff88800f2c3d00 R08: ffff88800a50e3d0 R09: 0000000000000001 [ 44.106771][ T8218] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff814b2420 [ 44.107538][ T8218] R13: ffff888040fd5200 R14: ffff888040fd5280 R15: 0000000000000000 [ 44.108300][ T8218] FS: 00005555717b43c0(0000) GS:ffff88807ee00000(0000) knlGS:0000000000000000 [ 44.109164][ T8218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.109809][ T8218] CR2: 0000000000000030 CR3: 000000000d8fa000 CR4: 0000000000350ef0 [ 44.110572][ T8218] Kernel panic - not syncing: Fatal exception [ 44.111289][ T8218] Kernel Offset: disabled [ 44.111722][ T8218] Rebooting in 86400 seconds.. VM DIAGNOSIS: 07:10:48 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000001000 RCX=ffffffff814aca55 RDX=ffff88800aa46600 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88800ee03cf8 RSP=ffff88800ee03ce0 R8 =0000000000001000 R9 =ffffea0000b68ac0 R10=0000000000000000 R11=0000000000000001 R12=ffffea0000b68ac0 R13=0000000000001000 R14=0000000000ed2000 R15=0000000000001000 RIP=ffffffff8134ec2f RFL=00000293 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00005555717b43c0 00000000 00000000 GS =0000 ffff88803ea00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc50d99bd8 CR3=000000000e6c8000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000001d01 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 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 00000000ff000000 00000000000000ff YMM02=0000000000000000 0000000000000000 00000000ff000000 00000000000000ff YMM03=0000000000000000 0000000000000000 00007ffc50d9b520 00007ffc50d9b520 YMM04=0000000000000000 0000000000000000 0000000000000000 00007ffc50d9b55f YMM05=0000000000000000 0000000000000000 cfff5ffebffcefff d7ffa23fffafff49 YMM06=0000000000000000 0000000000000000 1d3ff77236800000 07fec5b8a9ffbb91 YMM07=0000000000000000 0000000000000000 ffb2196e227feee7 ffd6adce7ffafff5 YMM08=0000000000000000 0000000000000000 7665642f00736672 65646e69622f2e00 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 RAX=0000000000000063 RBX=0000000000000000 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82a1d59a RDI=ffffffff880cbfc0 RBP=ffff88800f2c3828 RSP=ffff88800f2c3810 R8 =302e34342020205b R9 =205b5d3436353336 R10=0000000000000063 R11=205d383132385420 R12=ffffffff880cbfc0 R13=0000000000000063 R14=ffffffff87fb4b3a R15=0000000000000000 RIP=ffffffff82a1d5b1 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00005555717b43c0 00000000 00000000 GS =0000 ffff88807ee00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000003e000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe000003c000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000000000000030 CR3=000000000d8fa000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000001d01 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 YMM00=0000000000000000 0000000000000000 0000000000989680 0000000000000000 YMM01=0000000000000000 0000000000000000 0000000000000000 0000000000989680 YMM02=0000000000000000 0000000000000000 00007f44ff5c3bc0 00007f44ff5c3bc0 YMM03=0000000000000000 0000000000000000 00007ffc50d9b560 00007ffc50d9b560 YMM04=0000000000000000 0000000000000000 0000000000000000 00007ffc50d9b59f YMM05=0000000000000000 0000000000000000 0000000000000000 00007f44ff5b84b0 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 7665642f00736672 65646e69622f2e00 YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000