Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.366046] ------------[ cut here ]------------ [ 45.366962] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.368966] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.370653] Modules linked in: [ 45.371243] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.373491] Tainted: [W]=WARN [ 45.374037] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.375511] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.376412] 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 [ 45.379592] RSP: 0018:ffff88801a29fbc0 EFLAGS: 00010286 [ 45.380582] RAX: 0000000000000000 RBX: ffffed1003453f78 RCX: ffffffff813a4050 [ 45.381882] RDX: ffff88801c150000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.383149] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003453f2f [ 45.384427] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.385710] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a29fdf8 [ 45.386996] FS: 00007f2ede132900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.388430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.389510] CR2: 00007f2ede624580 CR3: 000000000e590000 CR4: 0000000000350ef0 [ 45.390788] Call Trace: [ 45.391243] [ 45.391683] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.392581] ? __create_object+0x59/0x80 [ 45.393320] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.394287] __vmalloc_noprof+0x59/0x60 [ 45.395045] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.395915] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.396850] bpf_prog_alloc+0x39/0x200 [ 45.397598] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.398524] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.399420] do_seccomp+0x349/0x25e0 [ 45.400091] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.400986] ? __pfx_do_seccomp+0x10/0x10 [ 45.401783] ? find_held_lock+0x2b/0x80 [ 45.402543] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.403522] ? static_key_count+0x60/0x80 [ 45.404275] prctl_set_seccomp+0x4e/0x70 [ 45.405051] __do_sys_prctl+0xe6c/0x1d70 [ 45.405835] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.406680] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.407641] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.408607] ? irqentry_exit+0xf3/0x650 [ 45.409377] do_syscall_64+0xbf/0x430 [ 45.410088] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.411051] RIP: 0033:0x7f2ede6245cd [ 45.411752] 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 [ 45.414921] RSP: 002b:00007ffe68156d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.416274] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ede6245cd [ 45.417572] RDX: 0000556f7cd6be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.418844] RBP: 00007ffe68156d70 R08: 0000000000000000 R09: 00007ffe68156410 [ 45.420128] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556fb4ff9ad0 [ 45.421425] R13: 00007ffe681571a0 R14: 0000556fb4ffabc0 R15: 0000556fb500b780 [ 45.422714] [ 45.423134] irq event stamp: 1819 [ 45.423802] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 45.425351] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 45.426879] softirqs last enabled at (1832): [] handle_softirqs+0x50c/0x770 [ 45.428420] softirqs last disabled at (1827): [] __irq_exit_rcu+0xc4/0x100 [ 45.429933] ---[ end trace 0000000000000000 ]--- [ 48.555676] ------------[ cut here ]------------ [ 48.556671] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.558698] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 48.560136] Modules linked in: [ 48.560829] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.562855] Tainted: [W]=WARN [ 48.563460] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.564933] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.565868] 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 [ 48.569047] RSP: 0018:ffff88801a69fbc0 EFLAGS: 00010286 [ 48.570076] RAX: 0000000000000000 RBX: ffffed10034d3f78 RCX: ffffffff813a4050 [ 48.571374] RDX: ffff8880168ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.572646] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034d3f2f [ 48.573937] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.575227] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a69fdf8 [ 48.576496] FS: 00007f2e4259a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.577956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.578997] CR2: 00007ffdf3c48ef8 CR3: 0000000020330000 CR4: 0000000000350ef0 [ 48.580267] Call Trace: [ 48.580766] [ 48.581186] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.582086] ? __create_object+0x59/0x80 [ 48.582886] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.583857] __vmalloc_noprof+0x59/0x60 [ 48.584606] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.585494] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.586435] bpf_prog_alloc+0x39/0x200 [ 48.587136] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.588070] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.588973] do_seccomp+0x349/0x25e0 [ 48.589706] ? find_held_lock+0x2b/0x80 [ 48.590473] ? do_prlimit+0x310/0x610 [ 48.591187] ? __pfx_do_seccomp+0x10/0x10 [ 48.591972] ? do_raw_spin_unlock+0x53/0x220 [ 48.592826] ? _raw_spin_unlock+0x1e/0x40 [ 48.593620] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.594587] ? static_key_count+0x60/0x80 [ 48.595390] prctl_set_seccomp+0x4e/0x70 [ 48.596131] __do_sys_prctl+0xe6c/0x1d70 [ 48.596906] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.597767] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.598746] ? irqentry_exit+0xf3/0x650 [ 48.599515] do_syscall_64+0xbf/0x430 [ 48.600205] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.601165] RIP: 0033:0x7f2e42a8c5cd [ 48.601888] 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 [ 48.605174] RSP: 002b:00007ffdf3c46ca0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.606566] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e42a8c5cd [ 48.607846] RDX: 0000558e01062e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.609125] RBP: 00007ffdf3c46d00 R08: 0000000000000000 R09: 00007ffdf3c463a0 [ 48.610434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e3cd30bf0 [ 48.611747] R13: 00007ffdf3c47130 R14: 0000558e3cd3a380 R15: 0000558e3cd45460 [ 48.613029] [ 48.613513] irq event stamp: 1771 [ 48.614123] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 48.615640] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 48.617185] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 48.618729] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 48.620239] ---[ end trace 0000000000000000 ]--- [ 49.448508] ------------[ cut here ]------------ [ 49.449459] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.451532] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.453001] Modules linked in: [ 49.453643] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.455848] Tainted: [W]=WARN [ 49.456515] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.457982] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.458913] 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 [ 49.462038] RSP: 0018:ffff888017617bc0 EFLAGS: 00010286 [ 49.463008] RAX: 0000000000000000 RBX: ffffed1002ec2f78 RCX: ffffffff813a4050 [ 49.464271] RDX: ffff88801c151bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.465574] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec2f2f [ 49.466871] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.468161] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017617df8 [ 49.469481] FS: 00007fc23fb4a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.470923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.471980] CR2: 00007ffce8ceaef8 CR3: 000000000defa000 CR4: 0000000000350ef0 [ 49.473270] Call Trace: [ 49.473763] [ 49.474169] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.475065] ? __create_object+0x59/0x80 [ 49.475855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.476833] __vmalloc_noprof+0x59/0x60 [ 49.477623] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.478501] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.479451] bpf_prog_alloc+0x39/0x200 [ 49.480147] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.481080] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.482001] do_seccomp+0x349/0x25e0 [ 49.482724] ? find_held_lock+0x2b/0x80 [ 49.483496] ? do_prlimit+0x310/0x610 [ 49.484214] ? __pfx_do_seccomp+0x10/0x10 [ 49.485025] ? do_raw_spin_unlock+0x53/0x220 [ 49.485861] ? _raw_spin_unlock+0x1e/0x40 [ 49.486651] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.487621] ? static_key_count+0x60/0x80 [ 49.488432] prctl_set_seccomp+0x4e/0x70 [ 49.489181] __do_sys_prctl+0xe6c/0x1d70 [ 49.489967] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.490837] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.491828] ? irqentry_exit+0xf3/0x650 [ 49.492584] do_syscall_64+0xbf/0x430 [ 49.493289] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.494244] RIP: 0033:0x7fc24003c5cd [ 49.494949] 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 [ 49.498127] RSP: 002b:00007ffce8ce9290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.499494] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc24003c5cd [ 49.500779] RDX: 0000560681095e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.502095] RBP: 00007ffce8ce92f0 R08: 0000000000000000 R09: 00007ffce8ce8990 [ 49.503381] R10: 0000000000000000 R11: 0000000000000246 R12: 00005606a317bad0 [ 49.504668] R13: 00007ffce8ce9720 R14: 00005606a317cbc0 R15: 00005606a318d780 [ 49.505985] [ 49.506454] irq event stamp: 1869 [ 49.507062] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 49.508607] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 49.510157] softirqs last enabled at (1856): [] handle_softirqs+0x50c/0x770 [ 49.511718] softirqs last disabled at (1851): [] __irq_exit_rcu+0xc4/0x100 [ 49.513246] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1252' (ECDSA) to the list of known hosts. 2025/11/18 07:05:14 fuzzer started 2025/11/18 07:05:15 dialing manager at localhost:37895 2025/11/18 07:05:15 checking machine... 2025/11/18 07:05:15 checking revisions... [ 50.419768] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:05:15 testing simple program... [ 50.512324] cgroup: Unknown subsys name 'net' [ 50.589010] cgroup: Unknown subsys name 'cpuset' [ 50.602811] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:05:14 Registers: info registers vcpu 0 RAX=0000000000046c3d 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000558e3cd67000 CR3=0000000016285000 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=c250b091be12a3b59146a54366be13bd XMM02=ec2efd57dc4c00df0000000000307e78 XMM03=079cd5dbc55821bc0000000000307f48 XMM04=4f8ba7b312c5b1de00000000000ae988 XMM05=5b3393368cb5335600000000003224a8 XMM06=8fede82a5ad58cbe0000000000320a70 XMM07=e042d86d42eb936e00000000003125b0 XMM08=079cd5dbc55821bc0000000000307f48 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=0000000000000000 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff88800eee2690 RDI=ffff88800eee1bc0 RBP=ffff88800eee1bc0 RSP=ffff88806cf087e8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000008 R13=0000000000000003 R14=ffff88800eee2690 R15=0000000000000003 RIP=ffffffff815265f2 RFL=00000046 [---Z-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 00007f2e4259a900 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=00007f2e42569008 CR3=000000002024b000 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