syzkaller login: [ 46.283836] ------------[ cut here ]------------ [ 46.284729] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.286934] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 46.288399] Modules linked in: [ 46.289049] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.291048] Tainted: [W]=WARN [ 46.291610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.293130] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.294072] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 46.297605] RSP: 0018:ffff88801493fbc0 EFLAGS: 00010286 [ 46.298731] RAX: 0000000000000000 RBX: ffffed1002927f78 RCX: ffffffff813a4050 [ 46.300150] RDX: ffff88800f8ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.301609] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002927f2f [ 46.303080] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.304511] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801493fdf8 [ 46.305966] FS: 00007f2260aa3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.307525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.308701] CR2: 00007f2260f95580 CR3: 000000000e5a7000 CR4: 0000000000350ef0 [ 46.310162] Call Trace: [ 46.310680] [ 46.311178] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.312095] ? __create_object+0x59/0x80 [ 46.312951] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.314041] __vmalloc_noprof+0x59/0x60 [ 46.314854] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.315853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.316984] bpf_prog_alloc+0x39/0x200 [ 46.317871] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.318916] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.319930] do_seccomp+0x349/0x25e0 [ 46.320689] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.321820] ? irqentry_exit+0x17b/0x650 [ 46.322693] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 46.323732] ? __pfx_do_seccomp+0x10/0x10 [ 46.324631] ? __do_sys_prctl+0xc4/0x1d70 [ 46.325591] prctl_set_seccomp+0x4e/0x70 [ 46.326482] __do_sys_prctl+0xe6c/0x1d70 [ 46.327282] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.328226] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.329291] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.330342] ? irqentry_exit+0xf3/0x650 [ 46.331243] do_syscall_64+0xbf/0x430 [ 46.332056] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.333017] RIP: 0033:0x7f2260f955cd [ 46.333673] 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 [ 46.336866] RSP: 002b:00007ffcd015e300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.338237] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2260f955cd [ 46.339528] RDX: 00005581cc790e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.340823] RBP: 00007ffcd015e360 R08: 0000000000000000 R09: 00007ffcd015da00 [ 46.342152] R10: 0000000000000000 R11: 0000000000000246 R12: 00005581d0382bf0 [ 46.343562] R13: 00007ffcd015e790 R14: 00005581d038c380 R15: 00005581d0397460 [ 46.345059] [ 46.345527] irq event stamp: 1755 [ 46.346277] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 46.348020] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 46.349675] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 46.351250] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 46.352797] ---[ end trace 0000000000000000 ]--- [ 49.329007] ------------[ cut here ]------------ [ 49.329961] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.331993] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.333491] Modules linked in: [ 49.334130] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.336148] Tainted: [W]=WARN [ 49.336704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.338203] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.339121] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 49.342334] RSP: 0018:ffff88801c047bc0 EFLAGS: 00010286 [ 49.343330] RAX: 0000000000000000 RBX: ffffed1003808f78 RCX: ffffffff813a4050 [ 49.344633] RDX: ffff888014a43780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.345961] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003808f2f [ 49.347261] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.348554] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c047df8 [ 49.349873] FS: 00007f6e5b44b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.351304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.352365] CR2: 00007f6e5b9b14a6 CR3: 000000000da9e000 CR4: 0000000000350ef0 [ 49.353677] Call Trace: [ 49.354191] [ 49.354604] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.355513] ? __create_object+0x59/0x80 [ 49.356288] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.357275] __vmalloc_noprof+0x59/0x60 [ 49.358027] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.358894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.359833] bpf_prog_alloc+0x39/0x200 [ 49.360524] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.361469] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.362365] do_seccomp+0x349/0x25e0 [ 49.363084] ? find_held_lock+0x2b/0x80 [ 49.363833] ? do_prlimit+0x310/0x610 [ 49.364536] ? __pfx_do_seccomp+0x10/0x10 [ 49.365336] ? do_raw_spin_unlock+0x53/0x220 [ 49.366155] ? _raw_spin_unlock+0x1e/0x40 [ 49.366927] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.367888] ? static_key_count+0x60/0x80 [ 49.368647] prctl_set_seccomp+0x4e/0x70 [ 49.369430] __do_sys_prctl+0xe6c/0x1d70 [ 49.370214] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.371070] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.372054] ? irqentry_exit+0xf3/0x650 [ 49.372833] do_syscall_64+0xbf/0x430 [ 49.373530] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.374485] RIP: 0033:0x7f6e5b93d5cd [ 49.375185] 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 [ 49.378341] RSP: 002b:00007ffda3272fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.379702] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6e5b93d5cd [ 49.381000] RDX: 0000558a8fd57e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.382286] RBP: 00007ffda3273000 R08: 0000000000000000 R09: 00007ffda32726a0 [ 49.383572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558aa5c9dad0 [ 49.384871] R13: 00007ffda3273430 R14: 0000558aa5c9ebc0 R15: 0000558aa5caf780 [ 49.386173] [ 49.386606] irq event stamp: 1747 [ 49.387276] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 49.388812] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 49.390337] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 49.391886] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 49.393412] ---[ end trace 0000000000000000 ]--- [ 50.232406] ------------[ cut here ]------------ [ 50.233341] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.235360] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/257 [ 50.237046] Modules linked in: [ 50.237640] CPU: 0 UID: 104 PID: 257 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.239673] Tainted: [W]=WARN [ 50.240272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.241754] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.242664] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 50.245856] RSP: 0018:ffff888017a77bc0 EFLAGS: 00010286 [ 50.246831] RAX: 0000000000000000 RBX: ffffed1002f4ef78 RCX: ffffffff813a4050 [ 50.248114] RDX: ffff888018258000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.249439] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f4ef2f [ 50.250725] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.252022] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a77df8 [ 50.253332] FS: 00007f569e618900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.254793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.255872] CR2: 00007ffe32f8bef7 CR3: 00000000204c8000 CR4: 0000000000350ef0 [ 50.257181] Call Trace: [ 50.257657] [ 50.258104] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.259027] ? __create_object+0x59/0x80 [ 50.259823] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.260811] __vmalloc_noprof+0x59/0x60 [ 50.261536] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.262432] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.263371] bpf_prog_alloc+0x39/0x200 [ 50.264128] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.265083] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.265993] do_seccomp+0x349/0x25e0 [ 50.266677] ? find_held_lock+0x2b/0x80 [ 50.267439] ? do_prlimit+0x310/0x610 [ 50.268193] ? __pfx_do_seccomp+0x10/0x10 [ 50.269003] ? do_raw_spin_unlock+0x53/0x220 [ 50.269833] ? _raw_spin_unlock+0x1e/0x40 [ 50.270558] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.271515] ? static_key_count+0x60/0x80 [ 50.272304] prctl_set_seccomp+0x4e/0x70 [ 50.273076] __do_sys_prctl+0xe6c/0x1d70 [ 50.273877] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.274690] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.275665] ? irqentry_exit+0xf3/0x650 [ 50.276438] do_syscall_64+0xbf/0x430 [ 50.277205] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.278162] RIP: 0033:0x7f569eb0a5cd [ 50.278878] 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 [ 50.282103] RSP: 002b:00007ffe32f8a600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.283492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f569eb0a5cd [ 50.284806] RDX: 00005608cac73e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.286105] RBP: 00007ffe32f8a660 R08: 0000000000000000 R09: 00007ffe32f89d00 [ 50.287401] R10: 0000000000000000 R11: 0000000000000246 R12: 00005608e8615240 [ 50.288702] R13: 00007ffe32f8aa90 R14: 00005608e861e380 R15: 00005608e8629540 [ 50.290039] [ 50.290463] irq event stamp: 1759 [ 50.291115] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 50.292649] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 50.294217] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 50.295783] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 50.297336] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10394' (ECDSA) to the list of known hosts. 2025/11/17 22:01:32 fuzzer started 2025/11/17 22:01:32 dialing manager at localhost:37895 2025/11/17 22:01:32 checking machine... 2025/11/17 22:01:32 checking revisions... [ 51.138096] kmemleak: Automatic memory scanning thread ended 2025/11/17 22:01:32 testing simple program... [ 51.231322] cgroup: Unknown subsys name 'net' [ 51.294545] cgroup: Unknown subsys name 'cpuset' [ 51.314949] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:01:31 Registers: info registers vcpu 0 RAX=0000000000044461 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa57db94000 CR3=000000000da0f000 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=e60accae1ad16cb9324de7e251246f15 XMM02=2c67c8bc2e329bc30000000000304638 XMM03=fb795ef6d65770560000000000310188 XMM04=6c190e933d4f781d00000000000ae988 XMM05=ac9846944df0495b0000000000320d48 XMM06=5b441c9aa7492047000000000031fe00 XMM07=e042d86d42eb936e0000000000310460 XMM08=c3afa85762a9afc80000000000304698 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000400 RBX=ffff8880183f3780 RCX=0000000000000100 RDX=0000000000000008 RSI=ffff8880183f41d8 RDI=ffff8880183f41d8 RBP=ffff8880183f41d8 RSP=ffff88806cf08ce0 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880183f41d8 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527588 RFL=00000086 [--S--P-] 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 00007f6e5b44b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffda326d000 CR3=00000000204e8000 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=6720646572637465733a4d41503d706f 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