Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.494312] ------------[ cut here ]------------ [ 46.495076] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.496787] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 46.498096] Modules linked in: [ 46.498614] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.500251] Tainted: [W]=WARN [ 46.500748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.501969] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.502731] 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 [ 46.505367] RSP: 0018:ffff88800a977bc0 EFLAGS: 00010286 [ 46.506178] RAX: 0000000000000000 RBX: ffffed100152ef78 RCX: ffffffff813a4050 [ 46.507252] RDX: ffff8880170d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.508332] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100152ef2f [ 46.509399] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.510470] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a977df8 [ 46.511556] FS: 00007fe24961e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.512796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.513698] CR2: 00007ffe8b045ef8 CR3: 000000001c23c000 CR4: 0000000000350ef0 [ 46.514787] Call Trace: [ 46.515174] [ 46.515512] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.516270] ? __create_object+0x59/0x80 [ 46.516910] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.517733] __vmalloc_noprof+0x59/0x60 [ 46.518325] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.519055] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.519835] bpf_prog_alloc+0x39/0x200 [ 46.520422] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.521204] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.521953] do_seccomp+0x349/0x25e0 [ 46.522511] ? find_held_lock+0x2b/0x80 [ 46.523147] ? do_prlimit+0x310/0x610 [ 46.523758] ? __pfx_do_seccomp+0x10/0x10 [ 46.524383] ? do_raw_spin_unlock+0x53/0x220 [ 46.525075] ? _raw_spin_unlock+0x1e/0x40 [ 46.525728] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.526496] ? static_key_count+0x60/0x80 [ 46.527166] prctl_set_seccomp+0x4e/0x70 [ 46.527811] __do_sys_prctl+0xe6c/0x1d70 [ 46.528436] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.529153] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.529957] ? irqentry_exit+0xf3/0x650 [ 46.530560] do_syscall_64+0xbf/0x430 [ 46.531192] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.531992] RIP: 0033:0x7fe249b105cd [ 46.532543] 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 [ 46.535179] RSP: 002b:00007ffe8b043960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.536342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe249b105cd [ 46.537416] RDX: 000055d0c2b3ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.538491] RBP: 00007ffe8b0439c0 R08: 0000000000000000 R09: 00007ffe8b043060 [ 46.539557] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d0f85b92b0 [ 46.540642] R13: 00007ffe8b043df0 R14: 000055d0f85bbd20 R15: 000055d0f85cd8d0 [ 46.541728] [ 46.542082] irq event stamp: 1883 [ 46.542618] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 46.543880] hardirqs last disabled at (1902): [] __up_console_sem+0x5d/0x80 [ 46.545179] softirqs last enabled at (1514): [] handle_softirqs+0x50c/0x770 [ 46.546474] softirqs last disabled at (1499): [] __irq_exit_rcu+0xc4/0x100 [ 46.547758] ---[ end trace 0000000000000000 ]--- [ 49.171048] ------------[ cut here ]------------ [ 49.172070] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.174263] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/238 [ 49.175833] Modules linked in: [ 49.176493] CPU: 1 UID: 104 PID: 238 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.178711] Tainted: [W]=WARN [ 49.179328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.181221] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.182309] 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 [ 49.185844] RSP: 0018:ffff888016407bc0 EFLAGS: 00010286 [ 49.186947] RAX: 0000000000000000 RBX: ffffed1002c80f78 RCX: ffffffff813a4050 [ 49.188385] RDX: ffff88800f929bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.189818] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c80f2f [ 49.191242] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.192665] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016407df8 [ 49.194091] FS: 00007fed251f9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.195692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.196902] CR2: 00007ffce7f74ef8 CR3: 000000000c08c000 CR4: 0000000000350ef0 [ 49.198330] Call Trace: [ 49.198904] [ 49.199361] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.200379] ? __create_object+0x59/0x80 [ 49.201244] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.202334] __vmalloc_noprof+0x59/0x60 [ 49.203177] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.204175] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.205211] bpf_prog_alloc+0x39/0x200 [ 49.206033] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.207068] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.208097] do_seccomp+0x349/0x25e0 [ 49.208901] ? find_held_lock+0x2b/0x80 [ 49.209743] ? do_prlimit+0x310/0x610 [ 49.210518] ? __pfx_do_seccomp+0x10/0x10 [ 49.211399] ? do_raw_spin_unlock+0x53/0x220 [ 49.212342] ? _raw_spin_unlock+0x1e/0x40 [ 49.213212] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.214284] ? static_key_count+0x60/0x80 [ 49.215177] prctl_set_seccomp+0x4e/0x70 [ 49.216049] __do_sys_prctl+0xe6c/0x1d70 [ 49.216918] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.217865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.218931] ? irqentry_exit+0xf3/0x650 [ 49.219801] do_syscall_64+0xbf/0x430 [ 49.220630] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.221666] RIP: 0033:0x7fed256eb5cd [ 49.222402] 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 [ 49.225948] RSP: 002b:00007ffce7f72630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.227444] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fed256eb5cd [ 49.228880] RDX: 000055c15e8b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.229741] RBP: 00007ffce7f72690 R08: 0000000000000000 R09: 00007ffce7f71d30 [ 49.230576] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c16a384ad0 [ 49.231436] R13: 00007ffce7f72ac0 R14: 000055c16a385bc0 R15: 000055c16a396780 [ 49.232333] [ 49.232646] irq event stamp: 1797 [ 49.233046] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 49.234073] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 49.235095] softirqs last enabled at (1340): [] handle_softirqs+0x50c/0x770 [ 49.236137] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 49.237160] ---[ end trace 0000000000000000 ]--- [ 49.840736] ------------[ cut here ]------------ [ 49.841326] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.842696] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 49.843662] Modules linked in: [ 49.844075] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.845388] Tainted: [W]=WARN [ 49.845780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.846815] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.847397] 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 [ 49.849513] RSP: 0018:ffff888016c77bc0 EFLAGS: 00010286 [ 49.850162] RAX: 0000000000000000 RBX: ffffed1002d8ef78 RCX: ffffffff813a4050 [ 49.851025] RDX: ffff88800fa9d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.851876] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8ef2f [ 49.852759] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.853623] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c77df8 [ 49.854441] FS: 00007ffb841f3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.855408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.856140] CR2: 00007ffb846e5580 CR3: 00000000200a4000 CR4: 0000000000350ef0 [ 49.857010] Call Trace: [ 49.857310] [ 49.857624] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.858206] ? __create_object+0x59/0x80 [ 49.858720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.859340] __vmalloc_noprof+0x59/0x60 [ 49.859864] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.860414] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.861052] bpf_prog_alloc+0x39/0x200 [ 49.861521] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.862126] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.862739] do_seccomp+0x349/0x25e0 [ 49.863199] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.863791] ? __pfx_do_seccomp+0x10/0x10 [ 49.864302] ? find_held_lock+0x2b/0x80 [ 49.864827] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.865424] ? static_key_count+0x60/0x80 [ 49.865953] prctl_set_seccomp+0x4e/0x70 [ 49.866445] __do_sys_prctl+0xe6c/0x1d70 [ 49.866980] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.867506] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.868173] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.868819] ? irqentry_exit+0xf3/0x650 [ 49.869290] do_syscall_64+0xbf/0x430 [ 49.869796] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.870400] RIP: 0033:0x7ffb846e55cd [ 49.870864] 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 [ 49.872964] RSP: 002b:00007ffd104f5190 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.873884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb846e55cd [ 49.874750] RDX: 00005613b81d1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.875556] RBP: 00007ffd104f51f0 R08: 0000000000000000 R09: 00007ffd104f4890 [ 49.876388] R10: 0000000000000000 R11: 0000000000000246 R12: 00005613db917ad0 [ 49.877215] R13: 00007ffd104f5620 R14: 00005613db918bc0 R15: 00005613db929780 [ 49.878047] [ 49.878320] irq event stamp: 1667 [ 49.878739] hardirqs last enabled at (1677): [] __up_console_sem+0x78/0x80 [ 49.879716] hardirqs last disabled at (1686): [] __up_console_sem+0x5d/0x80 [ 49.880698] softirqs last enabled at (1234): [] handle_softirqs+0x50c/0x770 [ 49.881687] softirqs last disabled at (1223): [] __irq_exit_rcu+0xc4/0x100 [ 49.882643] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:6959' (ECDSA) to the list of known hosts. 2025/11/18 04:51:51 fuzzer started 2025/11/18 04:51:51 dialing manager at localhost:37895 2025/11/18 04:51:51 checking machine... 2025/11/18 04:51:51 checking revisions... [ 50.641284] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:51:51 testing simple program... [ 50.721723] cgroup: Unknown subsys name 'net' [ 50.763619] cgroup: Unknown subsys name 'cpuset' [ 50.775811] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:51:50 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009637bb8 RCX=ffffffff81624d96 RDX=ffff888009613780 RSI=ffffffff81624da4 RDI=0000000000000005 RBP=0000000000000000 RSP=ffff888009637b60 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffffffff84ea8900 R14=ffffffff88597e80 R15=ffffffff81631f00 RIP=ffffffff81624da4 RFL=00000293 [--S-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6a8083d000 CR3=000000000b8c6000 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=fec3aebbe9ceda9e6a41f76e310a2cd2 XMM02=0000000000301820eff9b2d0a8fce9cb XMM03=00000000003018f02c67c8bc2e329bc3 XMM04=9298f665367413d300000000000ae988 XMM05=1a58cb52dc18f6d7000000000031d9f8 XMM06=94aac670ef06ff65000000000031d880 XMM07=e042d86d42eb936e000000000030d9c0 XMM08=33fdbd7ae2cfdfbb00000000003018f0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff88801765fc40 RCX=ffffffff81a7f556 RDX=1ffff11002bb5194 RSI=ffffffff81a7f4ce RDI=ffff888015da8bf0 RBP=ffff888015da8a80 RSP=ffff88801765fae0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801765fbc0 R13=ffff88801765fc8c R14=ffff888015da8bf0 R15=0000000000000001 RIP=ffffffff8151d496 RFL=00000212 [----A--] 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 00007fed251f9900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fed251be008 CR3=000000000cdbc000 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