[ 39.074959] ------------[ cut here ]------------ [ 39.075900] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.077892] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 39.079383] Modules linked in: [ 39.079974] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.082279] Tainted: [W]=WARN [ 39.082836] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.084334] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.085258] 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 [ 39.088420] RSP: 0018:ffff888013b2fbc0 EFLAGS: 00010286 [ 39.089400] RAX: 0000000000000000 RBX: ffffed1002765f78 RCX: ffffffff813a4050 [ 39.090679] RDX: ffff888016a90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.091979] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002765f2f [ 39.093290] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.094556] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013b2fdf8 [ 39.095848] FS: 00007fca86caa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.097288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.098360] CR2: 00007ffdb9a73ef8 CR3: 000000001bddd000 CR4: 0000000000350ef0 [ 39.099648] Call Trace: [ 39.100168] [ 39.100582] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.101476] ? __create_object+0x59/0x80 [ 39.102272] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.103240] __vmalloc_noprof+0x59/0x60 [ 39.103979] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.104869] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.105792] bpf_prog_alloc+0x39/0x200 [ 39.106537] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.107489] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.108393] do_seccomp+0x349/0x25e0 [ 39.109120] ? find_held_lock+0x2b/0x80 [ 39.109832] ? do_prlimit+0x310/0x610 [ 39.110581] ? __pfx_do_seccomp+0x10/0x10 [ 39.111376] ? do_raw_spin_unlock+0x53/0x220 [ 39.112210] ? _raw_spin_unlock+0x1e/0x40 [ 39.112948] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.113923] ? static_key_count+0x60/0x80 [ 39.114727] prctl_set_seccomp+0x4e/0x70 [ 39.115529] __do_sys_prctl+0xe6c/0x1d70 [ 39.116321] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.117183] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.118157] ? irqentry_exit+0xf3/0x650 [ 39.118876] do_syscall_64+0xbf/0x430 [ 39.119628] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.120584] RIP: 0033:0x7fca8719c5cd [ 39.121293] 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 [ 39.124452] RSP: 002b:00007ffdb9a72a20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.125804] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fca8719c5cd [ 39.127101] RDX: 000055f1513b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.128218] RBP: 00007ffdb9a72a80 R08: 0000000000000000 R09: 00007ffdb9a72120 [ 39.129041] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f18006e2b0 [ 39.129824] R13: 00007ffdb9a72eb0 R14: 000055f180070d20 R15: 000055f1800828d0 [ 39.130649] [ 39.130925] irq event stamp: 1807 [ 39.131346] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 39.132214] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 39.132889] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 39.133598] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 39.134292] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.182917] ------------[ cut here ]------------ [ 42.183857] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.185841] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.187302] Modules linked in: [ 42.187917] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.189935] Tainted: [W]=WARN [ 42.190532] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.192013] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.192881] 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 [ 42.197143] RSP: 0018:ffff88801687fbc0 EFLAGS: 00010286 [ 42.198124] RAX: 0000000000000000 RBX: ffffed1002d0ff78 RCX: ffffffff813a4050 [ 42.199419] RDX: ffff88800f65d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.200309] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d0ff2f [ 42.201102] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.201867] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801687fdf8 [ 42.202658] FS: 00007f6c843d8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.203557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.204216] CR2: 00007ffdd65dcef8 CR3: 000000001f6a0000 CR4: 0000000000350ef0 [ 42.205011] Call Trace: [ 42.205302] [ 42.205557] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.206112] ? __create_object+0x59/0x80 [ 42.206596] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.207354] __vmalloc_noprof+0x59/0x60 [ 42.207881] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.208537] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.209316] bpf_prog_alloc+0x39/0x200 [ 42.209752] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.210325] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.210858] do_seccomp+0x349/0x25e0 [ 42.211299] ? find_held_lock+0x2b/0x80 [ 42.211775] ? do_prlimit+0x310/0x610 [ 42.212235] ? __pfx_do_seccomp+0x10/0x10 [ 42.212696] ? do_raw_spin_unlock+0x53/0x220 [ 42.213211] ? _raw_spin_unlock+0x1e/0x40 [ 42.213670] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.214263] ? static_key_count+0x60/0x80 [ 42.214732] prctl_set_seccomp+0x4e/0x70 [ 42.215210] __do_sys_prctl+0xe6c/0x1d70 [ 42.215676] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.216204] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.216777] ? irqentry_exit+0xf3/0x650 [ 42.217247] do_syscall_64+0xbf/0x430 [ 42.217679] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.218277] RIP: 0033:0x7f6c848ca5cd [ 42.218693] 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 [ 42.220691] RSP: 002b:00007ffdd65dbc10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.221546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c848ca5cd [ 42.222341] RDX: 0000555821ae7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.223140] RBP: 00007ffdd65dbc70 R08: 0000000000000000 R09: 00007ffdd65db310 [ 42.223915] R10: 0000000000000000 R11: 0000000000000246 R12: 000055584e34c240 [ 42.224732] R13: 00007ffdd65dc0a0 R14: 000055584e34bbf0 R15: 000055584e3604d0 [ 42.225587] [ 42.225857] irq event stamp: 1665 [ 42.226268] hardirqs last enabled at (1675): [] __up_console_sem+0x78/0x80 [ 42.227219] hardirqs last disabled at (1684): [] __up_console_sem+0x5d/0x80 [ 42.228177] softirqs last enabled at (1160): [] handle_softirqs+0x50c/0x770 [ 42.229150] softirqs last disabled at (1151): [] __irq_exit_rcu+0xc4/0x100 [ 42.230100] ---[ end trace 0000000000000000 ]--- [ 43.001273] ------------[ cut here ]------------ [ 43.001855] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.003147] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.004238] Modules linked in: [ 43.004620] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.006034] Tainted: [W]=WARN [ 43.006619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.007812] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.008409] 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 [ 43.010455] RSP: 0018:ffff88801748fbc0 EFLAGS: 00010286 [ 43.011170] RAX: 0000000000000000 RBX: ffffed1002e91f78 RCX: ffffffff813a4050 [ 43.012219] RDX: ffff88800ca40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.013050] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e91f2f [ 43.013843] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.014656] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801748fdf8 [ 43.015492] FS: 00007f8f3cc3c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.016406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.017080] CR2: 00007fffb8bd4ef8 CR3: 000000001f58d000 CR4: 0000000000350ef0 [ 43.017889] Call Trace: [ 43.018196] [ 43.018462] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.019019] ? __create_object+0x59/0x80 [ 43.019500] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.020114] __vmalloc_noprof+0x59/0x60 [ 43.020572] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.021251] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.021819] bpf_prog_alloc+0x39/0x200 [ 43.022287] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.022858] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.023441] do_seccomp+0x349/0x25e0 [ 43.023875] ? find_held_lock+0x2b/0x80 [ 43.024361] ? do_prlimit+0x310/0x610 [ 43.024807] ? __pfx_do_seccomp+0x10/0x10 [ 43.025307] ? do_raw_spin_unlock+0x53/0x220 [ 43.025808] ? _raw_spin_unlock+0x1e/0x40 [ 43.026308] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.026891] ? static_key_count+0x60/0x80 [ 43.027405] prctl_set_seccomp+0x4e/0x70 [ 43.027874] __do_sys_prctl+0xe6c/0x1d70 [ 43.028369] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.028887] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.029503] ? irqentry_exit+0xf3/0x650 [ 43.029963] do_syscall_64+0xbf/0x430 [ 43.030428] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.031031] RIP: 0033:0x7f8f3d12e5cd [ 43.031463] 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 [ 43.033476] RSP: 002b:00007fffb8bd3470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.034340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f3d12e5cd [ 43.035154] RDX: 000055e4c4ee2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.035952] RBP: 00007fffb8bd34d0 R08: 0000000000000000 R09: 00007fffb8bd2b70 [ 43.036770] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e4d541b2b0 [ 43.037587] R13: 00007fffb8bd3900 R14: 000055e4d541dd20 R15: 000055e4d542f8d0 [ 43.038407] [ 43.038676] irq event stamp: 1791 [ 43.039094] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 43.040065] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 43.041034] softirqs last enabled at (1346): [] handle_softirqs+0x50c/0x770 [ 43.041981] softirqs last disabled at (1325): [] __irq_exit_rcu+0xc4/0x100 [ 43.042949] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52070' (ECDSA) to the list of known hosts. 2025/11/18 18:29:09 fuzzer started 2025/11/18 18:29:09 dialing manager at localhost:34383 2025/11/18 18:29:09 checking machine... 2025/11/18 18:29:09 checking revisions... [ 43.791247] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:29:09 testing simple program... [ 43.885656] cgroup: Unknown subsys name 'net' [ 43.960805] cgroup: Unknown subsys name 'cpuset' [ 43.970473] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:29:08 Registers: info registers vcpu 0 RAX=fffffbfff0b82250 RBX=fffffbfff0b82260 RCX=ffffffff8167c6af RDX=ffff888014379bc0 RSI=ffffffff8167c6bd RDI=ffff88806ce08c70 RBP=1ffffffff0b82250 RSP=ffff88806ce08c08 R8 =ffffffff85a8dc80 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=ffff88806ce08c70 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff81751e04 RFL=00000082 [--S----] 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 00007f8724fee900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8724705518 CR3=000000000e224000 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=6c1e4013c61f47a219442c0541b2bfe8 XMM02=ec2efd57dc4c00df0000000000302cc8 XMM03=20a771f65c8ed6fd0000000000302d98 XMM04=1f19761805ed14b200000000000ae988 XMM05=f6a6484ff7d110160000000000320b18 XMM06=094397c73b846e3b000000000031f8b8 XMM07=fb795ef6d6577056000000000030e4e8 XMM08=2c67c8bc2e329bc30000000000302d38 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff87b15108 RBX=ffff8880163a8000 RCX=ddddfac97dde9989 RDX=00000000cf2326d3 RSI=000000002fef97f5 RDI=ffff8880163a8a58 RBP=ffff8880163a8a58 RSP=ffff8880164775a0 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff8880163a8a58 R13=0000000000000e61 R14=0000000000000000 R15=ddddfac97dde9989 RIP=ffffffff81527b66 RFL=00000013 [----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 00007f6c843d8900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6c8498f618 CR3=000000001f706000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000