Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.305729] ------------[ cut here ]------------ [ 46.306613] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.308618] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 46.310021] Modules linked in: [ 46.310635] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.312618] Tainted: [W]=WARN [ 46.313167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.314831] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.315793] 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 [ 46.318866] RSP: 0018:ffff8880187efbc0 EFLAGS: 00010286 [ 46.319853] RAX: 0000000000000000 RBX: ffffed10030fdf78 RCX: ffffffff813a4050 [ 46.321116] RDX: ffff88801a279bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.322372] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030fdf2f [ 46.323628] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.324883] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187efdf8 [ 46.326137] FS: 00007f41df0f7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.327527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.328580] CR2: 00007fffbfe5fef7 CR3: 000000000bd62000 CR4: 0000000000350ef0 [ 46.329820] Call Trace: [ 46.330276] [ 46.330704] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.331527] ? __create_object+0x59/0x80 [ 46.332310] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.333246] __vmalloc_noprof+0x59/0x60 [ 46.333998] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.334863] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.335785] bpf_prog_alloc+0x39/0x200 [ 46.336632] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.337600] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.338465] do_seccomp+0x349/0x25e0 [ 46.339184] ? find_held_lock+0x2b/0x80 [ 46.339942] ? do_prlimit+0x310/0x610 [ 46.340668] ? __pfx_do_seccomp+0x10/0x10 [ 46.341376] ? do_raw_spin_unlock+0x53/0x220 [ 46.342185] ? _raw_spin_unlock+0x1e/0x40 [ 46.342945] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.343904] ? static_key_count+0x60/0x80 [ 46.344849] prctl_set_seccomp+0x4e/0x70 [ 46.345615] __do_sys_prctl+0xe6c/0x1d70 [ 46.346344] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.347152] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.347993] ? irqentry_exit+0xf3/0x650 [ 46.348616] do_syscall_64+0xbf/0x430 [ 46.349196] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.349970] RIP: 0033:0x7f41df5e95cd [ 46.350515] 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 [ 46.353143] RSP: 002b:00007fffbfe5e860 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.354265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f41df5e95cd [ 46.355319] RDX: 00005599ec6bde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.356387] RBP: 00007fffbfe5e8c0 R08: 0000000000000000 R09: 00007fffbfe5df60 [ 46.357445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559a19bd7ad0 [ 46.358492] R13: 00007fffbfe5ecf0 R14: 0000559a19bd8bc0 R15: 0000559a19be9780 [ 46.359579] [ 46.359951] irq event stamp: 1815 [ 46.360446] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 46.361680] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 46.362901] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 46.364170] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 46.365389] ---[ end trace 0000000000000000 ]--- [ 49.904927] ------------[ cut here ]------------ [ 49.905867] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.907892] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.909352] Modules linked in: [ 49.910032] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.912022] Tainted: [W]=WARN [ 49.912628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.914100] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.915008] 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 [ 49.918165] RSP: 0018:ffff888017bffbc0 EFLAGS: 00010286 [ 49.919133] RAX: 0000000000000000 RBX: ffffed1002f7ff78 RCX: ffffffff813a4050 [ 49.920424] RDX: ffff88800ef0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.921708] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f7ff2f [ 49.922994] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.924274] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017bffdf8 [ 49.925578] FS: 00007f7e33250900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.926993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.928058] CR2: 00007ffd6e325ef7 CR3: 000000002058d000 CR4: 0000000000350ef0 [ 49.929346] Call Trace: [ 49.929855] [ 49.930265] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.931156] ? __create_object+0x59/0x80 [ 49.931958] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.932912] __vmalloc_noprof+0x59/0x60 [ 49.933671] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.934497] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.935427] bpf_prog_alloc+0x39/0x200 [ 49.936173] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.937094] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.937997] do_seccomp+0x349/0x25e0 [ 49.938719] ? find_held_lock+0x2b/0x80 [ 49.939442] ? do_prlimit+0x310/0x610 [ 49.940200] ? __pfx_do_seccomp+0x10/0x10 [ 49.940995] ? do_raw_spin_unlock+0x53/0x220 [ 49.941833] ? _raw_spin_unlock+0x1e/0x40 [ 49.942622] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.943593] ? static_key_count+0x60/0x80 [ 49.944355] prctl_set_seccomp+0x4e/0x70 [ 49.945139] __do_sys_prctl+0xe6c/0x1d70 [ 49.945919] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.946771] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.947741] ? irqentry_exit+0xf3/0x650 [ 49.948476] do_syscall_64+0xbf/0x430 [ 49.949237] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.950192] RIP: 0033:0x7f7e337425cd [ 49.950913] 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 [ 49.954085] RSP: 002b:00007ffd6e324b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.955447] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e337425cd [ 49.956747] RDX: 0000562dcca9be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.958029] RBP: 00007ffd6e324bc0 R08: 0000000000000000 R09: 00007ffd6e324260 [ 49.959304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562dd237cbf0 [ 49.960583] R13: 00007ffd6e324ff0 R14: 0000562dd2386380 R15: 0000562dd2391460 [ 49.961885] [ 49.962319] irq event stamp: 1741 [ 49.962968] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 49.964504] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 49.966056] softirqs last enabled at (1644): [] handle_softirqs+0x50c/0x770 [ 49.967590] softirqs last disabled at (1639): [] __irq_exit_rcu+0xc4/0x100 [ 49.969108] ---[ end trace 0000000000000000 ]--- [ 50.785319] ------------[ cut here ]------------ [ 50.786243] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.788247] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.789714] Modules linked in: [ 50.790303] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.793733] Tainted: [W]=WARN [ 50.794288] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.795858] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.796763] 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 [ 50.799905] RSP: 0018:ffff888016227bc0 EFLAGS: 00010286 [ 50.800884] RAX: 0000000000000000 RBX: ffffed1002c44f78 RCX: ffffffff813a4050 [ 50.802149] RDX: ffff888016555340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.803418] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c44f2f [ 50.804715] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.805981] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016227df8 [ 50.807273] FS: 00007feeb3aa2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.808722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.809792] CR2: 00007feeb3f94580 CR3: 000000001e501000 CR4: 0000000000350ef0 [ 50.811066] Call Trace: [ 50.811587] [ 50.812013] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.812906] ? __create_object+0x59/0x80 [ 50.813673] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.814643] __vmalloc_noprof+0x59/0x60 [ 50.815355] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.816226] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.817138] bpf_prog_alloc+0x39/0x200 [ 50.817882] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.818809] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.819693] do_seccomp+0x349/0x25e0 [ 50.820384] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.821278] ? __pfx_do_seccomp+0x10/0x10 [ 50.822063] ? find_held_lock+0x2b/0x80 [ 50.822831] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.823786] ? static_key_count+0x60/0x80 [ 50.824609] prctl_set_seccomp+0x4e/0x70 [ 50.825337] __do_sys_prctl+0xe6c/0x1d70 [ 50.826104] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.826957] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.827940] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.828907] ? irqentry_exit+0xf3/0x650 [ 50.829666] do_syscall_64+0xbf/0x430 [ 50.830367] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.831309] RIP: 0033:0x7feeb3f945cd [ 50.832019] 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 [ 50.835168] RSP: 002b:00007ffcd05e02b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.836572] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feeb3f945cd [ 50.837847] RDX: 00005594b2b33e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.839120] RBP: 00007ffcd05e0310 R08: 0000000000000000 R09: 00007ffcd05df9b0 [ 50.840409] R10: 0000000000000000 R11: 0000000000000246 R12: 00005594b9746ad0 [ 50.841687] R13: 00007ffcd05e0740 R14: 00005594b9747bc0 R15: 00005594b9758780 [ 50.842976] [ 50.843396] irq event stamp: 2059 [ 50.844051] hardirqs last enabled at (2069): [] __up_console_sem+0x78/0x80 [ 50.845571] hardirqs last disabled at (2078): [] __up_console_sem+0x5d/0x80 [ 50.847090] softirqs last enabled at (2048): [] handle_softirqs+0x50c/0x770 [ 50.848642] softirqs last disabled at (2043): [] __irq_exit_rcu+0xc4/0x100 [ 50.850151] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36786' (ECDSA) to the list of known hosts. 2025/11/18 11:54:20 fuzzer started 2025/11/18 11:54:21 dialing manager at localhost:34383 2025/11/18 11:54:21 checking machine... 2025/11/18 11:54:21 checking revisions... [ 51.763806] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:54:21 testing simple program... [ 51.851602] cgroup: Unknown subsys name 'net' [ 51.913351] cgroup: Unknown subsys name 'cpuset' [ 51.929950] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:54:20 Registers: info registers vcpu 0 RAX=ffffffff87ce3608 RBX=ffff8880160a3780 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880160a4278 RDI=ffff8880160a4278 RBP=ffff8880160a41d8 RSP=ffff88806ce088c8 R8 =0000000000000004 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880160a4278 R13=b503ba001073dead R14=0000000000000000 R15=0000000000000004 RIP=ffffffff8152757d 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 00007f0a9a312900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0a99a29020 CR3=000000000e025000 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=95293507c679e5bd93464bb7ed872e7e XMM02=ec2efd57dc4c00df00000000003069c8 XMM03=7670001f56bf48910000000000306a98 XMM04=dbaa77a24016998600000000000ae988 XMM05=b9f147c2d693ffba0000000000320ec0 XMM06=07c8bb74b6c04a44000000000031fc98 XMM07=fb795ef6d6577056000000000030fb08 XMM08=2c67c8bc2e329bc30000000000306a38 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff888016571bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888016572618 RDI=ffff888016572618 RBP=ffff888016572618 RSP=ffff888016227820 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888016572618 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815228f3 RFL=00000007 [-----PC] 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 00007f7e33250900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7e33807618 CR3=00000000204fb000 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=563412feff00545000000000000080fe 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