Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.107260] ------------[ cut here ]------------ [ 39.108208] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.110227] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.111670] Modules linked in: [ 39.112376] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.114380] Tainted: [W]=WARN [ 39.114977] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.116456] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.117369] 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 [ 39.120541] RSP: 0018:ffff888015e2fbc0 EFLAGS: 00010286 [ 39.121525] RAX: 0000000000000000 RBX: ffffed1002bc5f78 RCX: ffffffff813a4050 [ 39.122802] RDX: ffff8880163db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.124094] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc5f2f [ 39.125380] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.126665] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e2fdf8 [ 39.127951] FS: 00007f2ca9139900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.129430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.130494] CR2: 00007ffca9490ef7 CR3: 000000000e586000 CR4: 0000000000350ef0 [ 39.131792] Call Trace: [ 39.132266] [ 39.132681] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.133587] ? __create_object+0x59/0x80 [ 39.134382] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.135352] __vmalloc_noprof+0x59/0x60 [ 39.136127] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.137006] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.137942] bpf_prog_alloc+0x39/0x200 [ 39.138636] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.139570] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.140484] do_seccomp+0x349/0x25e0 [ 39.141201] ? find_held_lock+0x2b/0x80 [ 39.141956] ? do_prlimit+0x310/0x610 [ 39.142653] ? __pfx_do_seccomp+0x10/0x10 [ 39.143442] ? do_raw_spin_unlock+0x53/0x220 [ 39.144283] ? _raw_spin_unlock+0x1e/0x40 [ 39.145064] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.146029] ? static_key_count+0x60/0x80 [ 39.146825] prctl_set_seccomp+0x4e/0x70 [ 39.147547] __do_sys_prctl+0xe6c/0x1d70 [ 39.148355] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.149240] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.150218] ? irqentry_exit+0xf3/0x650 [ 39.150987] do_syscall_64+0xbf/0x430 [ 39.151686] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.152659] RIP: 0033:0x7f2ca962b5cd [ 39.153369] 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 [ 39.156545] RSP: 002b:00007ffca948ebd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.157923] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ca962b5cd [ 39.159265] RDX: 0000563f18495e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.160642] RBP: 00007ffca948ec30 R08: 0000000000000000 R09: 00007ffca948e2d0 [ 39.161983] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f34fe5b10 [ 39.163276] R13: 00007ffca948f060 R14: 0000563f34fe62b0 R15: 0000563f34ffa6f0 [ 39.164591] [ 39.165053] irq event stamp: 1851 [ 39.165666] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 39.167186] hardirqs last disabled at (1868): [] __up_console_sem+0x5d/0x80 [ 39.168759] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 39.170398] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 39.172011] ---[ end trace 0000000000000000 ]--- [ 41.753980] ------------[ cut here ]------------ [ 41.754940] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.756971] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.758414] Modules linked in: [ 41.759093] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.761093] Tainted: [W]=WARN [ 41.761647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.763117] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.764043] 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 [ 41.767216] RSP: 0018:ffff888016c0fbc0 EFLAGS: 00010286 [ 41.768203] RAX: 0000000000000000 RBX: ffffed1002d81f78 RCX: ffffffff813a4050 [ 41.769516] RDX: ffff8880188f8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.770833] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d81f2f [ 41.772151] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.773474] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c0fdf8 [ 41.774795] FS: 00007f975d1fc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.776283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.777375] CR2: 00007fff95c36ef7 CR3: 000000000db2b000 CR4: 0000000000350ef0 [ 41.778690] Call Trace: [ 41.779204] [ 41.779631] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.780565] ? __create_object+0x59/0x80 [ 41.781366] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.782362] __vmalloc_noprof+0x59/0x60 [ 41.783137] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.784044] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.785005] bpf_prog_alloc+0x39/0x200 [ 41.785758] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.786668] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.787589] do_seccomp+0x349/0x25e0 [ 41.788337] ? find_held_lock+0x2b/0x80 [ 41.789117] ? do_prlimit+0x310/0x610 [ 41.789876] ? __pfx_do_seccomp+0x10/0x10 [ 41.790636] ? do_raw_spin_unlock+0x53/0x220 [ 41.791488] ? _raw_spin_unlock+0x1e/0x40 [ 41.792308] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.793303] ? static_key_count+0x60/0x80 [ 41.794123] prctl_set_seccomp+0x4e/0x70 [ 41.794917] __do_sys_prctl+0xe6c/0x1d70 [ 41.795672] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.796564] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.797552] ? irqentry_exit+0xf3/0x650 [ 41.798336] do_syscall_64+0xbf/0x430 [ 41.799096] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.800082] RIP: 0033:0x7f975d6ee5cd [ 41.800806] 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 [ 41.804081] RSP: 002b:00007fff95c35540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.805484] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f975d6ee5cd [ 41.806801] RDX: 000056182ba05e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.808125] RBP: 00007fff95c355a0 R08: 0000000000000000 R09: 00007fff95c34c40 [ 41.809452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561834682ad0 [ 41.810774] R13: 00007fff95c359d0 R14: 0000561834683bc0 R15: 0000561834694780 [ 41.812126] [ 41.812521] irq event stamp: 1805 [ 41.813073] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 41.814381] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 41.815681] softirqs last enabled at (1396): [] handle_softirqs+0x50c/0x770 [ 41.817017] softirqs last disabled at (1391): [] __irq_exit_rcu+0xc4/0x100 [ 41.818308] ---[ end trace 0000000000000000 ]--- [ 42.521429] ------------[ cut here ]------------ [ 42.521899] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.522907] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.523596] Modules linked in: [ 42.523916] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.524923] Tainted: [W]=WARN [ 42.525200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.525935] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.526375] 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 [ 42.527938] RSP: 0018:ffff888016cd7bc0 EFLAGS: 00010286 [ 42.528412] RAX: 0000000000000000 RBX: ffffed1002d9af78 RCX: ffffffff813a4050 [ 42.529042] RDX: ffff8880160d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.529659] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9af2f [ 42.530301] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.530933] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cd7df8 [ 42.531542] FS: 00007fa6a3148900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.532259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.532783] CR2: 00007ffebcfbdef7 CR3: 0000000009c0a000 CR4: 0000000000350ef0 [ 42.533401] Call Trace: [ 42.533628] [ 42.533852] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.534275] ? __create_object+0x59/0x80 [ 42.534640] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.535117] __vmalloc_noprof+0x59/0x60 [ 42.535471] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.535908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.536363] bpf_prog_alloc+0x39/0x200 [ 42.536702] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.537165] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.537587] do_seccomp+0x349/0x25e0 [ 42.537936] ? find_held_lock+0x2b/0x80 [ 42.538295] ? do_prlimit+0x310/0x610 [ 42.538641] ? __pfx_do_seccomp+0x10/0x10 [ 42.539038] ? do_raw_spin_unlock+0x53/0x220 [ 42.539432] ? _raw_spin_unlock+0x1e/0x40 [ 42.539818] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.540275] ? static_key_count+0x60/0x80 [ 42.540652] prctl_set_seccomp+0x4e/0x70 [ 42.541033] __do_sys_prctl+0xe6c/0x1d70 [ 42.541397] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.541825] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.542280] ? irqentry_exit+0xf3/0x650 [ 42.542636] do_syscall_64+0xbf/0x430 [ 42.543005] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.543451] RIP: 0033:0x7fa6a363a5cd [ 42.543803] 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 [ 42.545374] RSP: 002b:00007ffebcfbceb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.546051] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6a363a5cd [ 42.546664] RDX: 000056024fa92e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.547296] RBP: 00007ffebcfbcf10 R08: 0000000000000000 R09: 00007ffebcfbc5b0 [ 42.547919] R10: 0000000000000000 R11: 0000000000000246 R12: 000056025d6712b0 [ 42.548540] R13: 00007ffebcfbd340 R14: 000056025d673d20 R15: 000056025d6858d0 [ 42.549181] [ 42.549388] irq event stamp: 1609 [ 42.549682] hardirqs last enabled at (1617): [] __up_console_sem+0x78/0x80 [ 42.550427] hardirqs last disabled at (1632): [] __up_console_sem+0x5d/0x80 [ 42.551185] softirqs last enabled at (1630): [] handle_softirqs+0x50c/0x770 [ 42.551945] softirqs last disabled at (1625): [] __irq_exit_rcu+0xc4/0x100 [ 42.552674] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31735' (ECDSA) to the list of known hosts. 2025/11/17 08:57:39 fuzzer started 2025/11/17 08:57:39 dialing manager at localhost:37895 2025/11/17 08:57:39 checking machine... 2025/11/17 08:57:39 checking revisions... [ 43.208688] kmemleak: Automatic memory scanning thread ended 2025/11/17 08:57:39 testing simple program... [ 43.305580] cgroup: Unknown subsys name 'net' [ 43.378218] cgroup: Unknown subsys name 'cpuset' [ 43.400035] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 08:57:39 Registers: info registers vcpu 0 RAX=ffffffff83c6fe71 RBX=ffffffff81618fa0 RCX=ffff88806ce089e4 RDX=1ffff1100d9c115d RSI=ffffffff85e1ffe0 RDI=ffffffff83c6fe71 RBP=ffff88806ce08b28 RSP=ffff88806ce08a90 R8 =0000000000000001 R9 =ffff88806ce08ad0 R10=000000000003c9ed R11=000000000009a54a R12=ffff88806ce08b58 R13=0000000000000000 R14=ffff888015fdd340 R15=0000000000000000 RIP=ffffffff812dfbfc RFL=00000246 [---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 00007f975d1fc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff95c2f000 CR3=00000000148c5000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000024e0f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe7bb47a78 CR3=0000000005c8a000 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=00007fe0b84ca51000005605f6aaa790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000