syzkaller login: [ 39.139140] ------------[ cut here ]------------ [ 39.140121] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.142154] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.143649] Modules linked in: [ 39.144321] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.146365] Tainted: [W]=WARN [ 39.146939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.148485] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.149421] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.152689] RSP: 0018:ffff888017b27bc0 EFLAGS: 00010286 [ 39.153690] RAX: 0000000000000000 RBX: ffffed1002f64f78 RCX: ffffffff813a4050 [ 39.155009] RDX: ffff888017361bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.156312] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f64f2f [ 39.157604] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.158906] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b27df8 [ 39.160215] FS: 00007f4170020900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.161664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.162766] CR2: 00007ffd236c8ef7 CR3: 000000001ae6f000 CR4: 0000000000350ef0 [ 39.164073] Call Trace: [ 39.164547] [ 39.165007] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.165887] ? __create_object+0x59/0x80 [ 39.166707] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.167708] __vmalloc_noprof+0x59/0x60 [ 39.168484] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.169388] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.170338] bpf_prog_alloc+0x39/0x200 [ 39.171102] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.172049] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.172923] do_seccomp+0x349/0x25e0 [ 39.173655] ? find_held_lock+0x2b/0x80 [ 39.174428] ? do_prlimit+0x310/0x610 [ 39.175196] ? __pfx_do_seccomp+0x10/0x10 [ 39.175953] ? do_raw_spin_unlock+0x53/0x220 [ 39.176809] ? _raw_spin_unlock+0x1e/0x40 [ 39.177607] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.178588] ? static_key_count+0x60/0x80 [ 39.179436] prctl_set_seccomp+0x4e/0x70 [ 39.180240] __do_sys_prctl+0xe6c/0x1d70 [ 39.181052] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.181887] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.182874] ? irqentry_exit+0xf3/0x650 [ 39.183639] do_syscall_64+0xbf/0x430 [ 39.184389] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.185364] RIP: 0033:0x7f41705125cd [ 39.186073] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.189338] RSP: 002b:00007ffd236c70b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.190761] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41705125cd [ 39.192087] RDX: 00005601cb9afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.193421] RBP: 00007ffd236c7110 R08: 0000000000000000 R09: 00007ffd236c67b0 [ 39.194758] R10: 0000000000000000 R11: 0000000000000246 R12: 000056020518dad0 [ 39.196061] R13: 00007ffd236c7540 R14: 000056020518ebc0 R15: 000056020519f780 [ 39.197410] [ 39.197844] irq event stamp: 1767 [ 39.198512] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 39.200108] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 39.201693] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 39.203322] softirqs last disabled at (1711): [] __irq_exit_rcu+0xc4/0x100 [ 39.204898] ---[ end trace 0000000000000000 ]--- [ 41.985119] ------------[ cut here ]------------ [ 41.985876] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.987604] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.988878] Modules linked in: [ 41.989427] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.991125] Tainted: [W]=WARN [ 41.991595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.992841] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.993618] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 41.996311] RSP: 0018:ffff888016277bc0 EFLAGS: 00010286 [ 41.997148] RAX: 0000000000000000 RBX: ffffed1002c4ef78 RCX: ffffffff813a4050 [ 41.998238] RDX: ffff888017b79bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.999344] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c4ef2f [ 42.000437] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.001524] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016277df8 [ 42.002620] FS: 00007f3e8c257900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.003855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.004759] CR2: 00007ffed1b66ef7 CR3: 00000000205a4000 CR4: 0000000000350ef0 [ 42.005856] Call Trace: [ 42.006282] [ 42.006631] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.007402] ? __create_object+0x59/0x80 [ 42.008070] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.008855] __vmalloc_noprof+0x59/0x60 [ 42.009493] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.010238] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.011040] bpf_prog_alloc+0x39/0x200 [ 42.011628] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.012415] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.013185] do_seccomp+0x349/0x25e0 [ 42.013755] ? find_held_lock+0x2b/0x80 [ 42.014404] ? do_prlimit+0x310/0x610 [ 42.015088] ? __pfx_do_seccomp+0x10/0x10 [ 42.015744] ? do_raw_spin_unlock+0x53/0x220 [ 42.016478] ? _raw_spin_unlock+0x1e/0x40 [ 42.017217] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.018018] ? static_key_count+0x60/0x80 [ 42.018641] prctl_set_seccomp+0x4e/0x70 [ 42.019304] __do_sys_prctl+0xe6c/0x1d70 [ 42.019922] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.020633] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.021476] ? irqentry_exit+0xf3/0x650 [ 42.022122] do_syscall_64+0xbf/0x430 [ 42.022705] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.023492] RIP: 0033:0x7f3e8c7495cd [ 42.024079] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.026674] RSP: 002b:00007ffed1b64b10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.027807] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3e8c7495cd [ 42.028859] RDX: 00005574f5ce8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.029921] RBP: 00007ffed1b64b70 R08: 0000000000000000 R09: 00007ffed1b64210 [ 42.031018] R10: 0000000000000000 R11: 0000000000000246 R12: 00005575215b22b0 [ 42.032083] R13: 00007ffed1b64fa0 R14: 00005575215b4d20 R15: 00005575215c68d0 [ 42.033163] [ 42.033516] irq event stamp: 1711 [ 42.034054] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 42.035321] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 42.036568] softirqs last enabled at (1210): [] handle_softirqs+0x50c/0x770 [ 42.037842] softirqs last disabled at (1193): [] __irq_exit_rcu+0xc4/0x100 [ 42.039120] ---[ end trace 0000000000000000 ]--- [ 42.778894] ------------[ cut here ]------------ [ 42.779813] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.781829] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.783274] Modules linked in: [ 42.783874] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.786143] Tainted: [W]=WARN [ 42.786714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.788254] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.789174] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.792353] RSP: 0018:ffff888017397bc0 EFLAGS: 00010286 [ 42.793328] RAX: 0000000000000000 RBX: ffffed1002e72f78 RCX: ffffffff813a4050 [ 42.794608] RDX: ffff88801634b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.795910] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e72f2f [ 42.797199] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.798484] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017397df8 [ 42.799809] FS: 00007fdaa85ff900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.801376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.802520] CR2: 00007ffd5737fef7 CR3: 000000000cbf9000 CR4: 0000000000350ef0 [ 42.803919] Call Trace: [ 42.804461] [ 42.804914] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.805901] ? __create_object+0x59/0x80 [ 42.806770] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.807867] __vmalloc_noprof+0x59/0x60 [ 42.808716] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.809667] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.810683] bpf_prog_alloc+0x39/0x200 [ 42.811521] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.812551] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.813545] do_seccomp+0x349/0x25e0 [ 42.814335] ? find_held_lock+0x2b/0x80 [ 42.815181] ? do_prlimit+0x310/0x610 [ 42.816001] ? __pfx_do_seccomp+0x10/0x10 [ 42.816816] ? do_raw_spin_unlock+0x53/0x220 [ 42.817735] ? _raw_spin_unlock+0x1e/0x40 [ 42.818584] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.819637] ? static_key_count+0x60/0x80 [ 42.820511] prctl_set_seccomp+0x4e/0x70 [ 42.821362] __do_sys_prctl+0xe6c/0x1d70 [ 42.822218] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.823166] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.824229] ? irqentry_exit+0xf3/0x650 [ 42.825076] do_syscall_64+0xbf/0x430 [ 42.825841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.826895] RIP: 0033:0x7fdaa8af15cd [ 42.827652] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.831131] RSP: 002b:00007ffd5737e230 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.832621] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdaa8af15cd [ 42.834024] RDX: 00005614a41b5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.835446] RBP: 00007ffd5737e290 R08: 0000000000000000 R09: 00007ffd5737d930 [ 42.836837] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614c018cbf0 [ 42.838229] R13: 00007ffd5737e6c0 R14: 00005614c0196380 R15: 00005614c01a1460 [ 42.839666] [ 42.840183] irq event stamp: 1789 [ 42.840853] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.842499] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 42.844173] softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 [ 42.845863] softirqs last disabled at (1335): [] __irq_exit_rcu+0xc4/0x100 [ 42.847540] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26211' (ECDSA) to the list of known hosts. 2025/11/19 03:12:09 fuzzer started 2025/11/19 03:12:09 dialing manager at localhost:34383 2025/11/19 03:12:09 checking machine... 2025/11/19 03:12:09 checking revisions... [ 43.710337] kmemleak: Automatic memory scanning thread ended 2025/11/19 03:12:09 testing simple program... [ 43.801265] cgroup: Unknown subsys name 'net' [ 43.850413] cgroup: Unknown subsys name 'cpuset' [ 43.871863] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:12:08 Registers: info registers vcpu 0 RAX=0000000000039889 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f45b6928000 CR3=000000000dc2f000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 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 XMM00=2038303a32313a333020393120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038303a32313a3330203931 XMM08=74696c6962617061633d7373616c6374 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff8880186ff5e8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000011c66 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff8880186ff6d0 RIP=ffffffff815292f7 RFL=00000202 [-------] 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 00007f3e8c257900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3e8c236020 CR3=000000001ae65000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 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 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000