[ 45.834829] ------------[ cut here ]------------ [ 45.835767] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.837773] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 45.839247] Modules linked in: [ 45.839856] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.841951] Tainted: [W]=WARN [ 45.842518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.844013] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.844946] 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 [ 45.848780] RSP: 0018:ffff88801644fbc0 EFLAGS: 00010286 [ 45.850009] RAX: 0000000000000000 RBX: ffffed1002c89f78 RCX: ffffffff813a4050 [ 45.851604] RDX: ffff888018b39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.853175] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c89f2f [ 45.854578] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.855935] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801644fdf8 [ 45.857277] FS: 00007f5a9cab9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.858778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.859899] CR2: 00007fff6c0d5ef7 CR3: 0000000009eb8000 CR4: 0000000000350ef0 [ 45.861226] Call Trace: [ 45.861722] [ 45.862193] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.863135] ? __create_object+0x59/0x80 [ 45.863959] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.864982] __vmalloc_noprof+0x59/0x60 [ 45.865732] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.866622] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.867617] bpf_prog_alloc+0x39/0x200 [ 45.868403] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.869377] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.870310] do_seccomp+0x349/0x25e0 [ 45.871051] ? find_held_lock+0x2b/0x80 [ 45.871806] ? do_prlimit+0x310/0x610 [ 45.872611] ? __pfx_do_seccomp+0x10/0x10 [ 45.873452] ? do_raw_spin_unlock+0x53/0x220 [ 45.874334] ? _raw_spin_unlock+0x1e/0x40 [ 45.875179] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.876178] ? static_key_count+0x60/0x80 [ 45.877020] prctl_set_seccomp+0x4e/0x70 [ 45.877788] __do_sys_prctl+0xe6c/0x1d70 [ 45.878608] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.879513] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.880539] ? irqentry_exit+0xf3/0x650 [ 45.881353] do_syscall_64+0xbf/0x430 [ 45.882123] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.883145] RIP: 0033:0x7f5a9cfab5cd [ 45.883830] 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 [ 45.887102] RSP: 002b:00007fff6c0d3390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.888520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a9cfab5cd [ 45.889843] RDX: 00005645d03afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.891174] RBP: 00007fff6c0d33f0 R08: 0000000000000000 R09: 00007fff6c0d2a90 [ 45.892501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564603402ad0 [ 45.893828] R13: 00007fff6c0d3820 R14: 0000564603403bc0 R15: 0000564603414780 [ 45.895168] [ 45.895612] irq event stamp: 1779 [ 45.896206] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 45.897519] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 45.898814] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 45.900152] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 45.901525] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.488510] ------------[ cut here ]------------ [ 49.489332] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.491104] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.492386] Modules linked in: [ 49.492961] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.494684] Tainted: [W]=WARN [ 49.495235] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.496546] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.497363] 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 [ 49.500159] RSP: 0018:ffff888015dffbc0 EFLAGS: 00010286 [ 49.501034] RAX: 0000000000000000 RBX: ffffed1002bbff78 RCX: ffffffff813a4050 [ 49.502170] RDX: ffff88800a3e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.503336] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bbff2f [ 49.504476] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.505613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015dffdf8 [ 49.506760] FS: 00007f119c36a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.508033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.508974] CR2: 00007ffe0d7f6ef7 CR3: 000000000d0fe000 CR4: 0000000000350ef0 [ 49.510092] Call Trace: [ 49.510501] [ 49.510861] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.511663] ? __create_object+0x59/0x80 [ 49.512361] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.513213] __vmalloc_noprof+0x59/0x60 [ 49.513843] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.514604] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.515451] bpf_prog_alloc+0x39/0x200 [ 49.516100] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.516933] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.517684] do_seccomp+0x349/0x25e0 [ 49.518324] ? find_held_lock+0x2b/0x80 [ 49.519016] ? do_prlimit+0x310/0x610 [ 49.519629] ? __pfx_do_seccomp+0x10/0x10 [ 49.520322] ? do_raw_spin_unlock+0x53/0x220 [ 49.521049] ? _raw_spin_unlock+0x1e/0x40 [ 49.521693] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.522553] ? static_key_count+0x60/0x80 [ 49.523274] prctl_set_seccomp+0x4e/0x70 [ 49.523962] __do_sys_prctl+0xe6c/0x1d70 [ 49.524609] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.525371] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.526219] ? irqentry_exit+0xf3/0x650 [ 49.526855] do_syscall_64+0xbf/0x430 [ 49.527539] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.528388] RIP: 0033:0x7f119c85c5cd [ 49.529009] 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 [ 49.531796] RSP: 002b:00007ffe0d7f5ae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.532989] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f119c85c5cd [ 49.534115] RDX: 0000556f19e59e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.535258] RBP: 00007ffe0d7f5b40 R08: 0000000000000000 R09: 00007ffe0d7f51e0 [ 49.536387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f53ddbb10 [ 49.537519] R13: 00007ffe0d7f5f70 R14: 0000556f53ddc2b0 R15: 0000556f53df06f0 [ 49.538659] [ 49.539084] irq event stamp: 1717 [ 49.539628] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 49.541011] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 49.542357] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 49.543755] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 49.545110] ---[ end trace 0000000000000000 ]--- [ 50.360830] ------------[ cut here ]------------ [ 50.361788] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.363974] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.365497] Modules linked in: [ 50.366194] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.368580] Tainted: [W]=WARN [ 50.369302] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.370858] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.371850] 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 [ 50.375253] RSP: 0018:ffff888015837bc0 EFLAGS: 00010286 [ 50.376294] RAX: 0000000000000000 RBX: ffffed1002b06f78 RCX: ffffffff813a4050 [ 50.377661] RDX: ffff888017d43780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.379043] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b06f2f [ 50.380422] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.381794] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015837df8 [ 50.383191] FS: 00007f7d337c2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.384726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.385859] CR2: 00007f7d33cb4580 CR3: 000000000ea38000 CR4: 0000000000350ef0 [ 50.387273] Call Trace: [ 50.387772] [ 50.388270] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.389227] ? __create_object+0x59/0x80 [ 50.390070] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.391137] __vmalloc_noprof+0x59/0x60 [ 50.391953] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.392828] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.393825] bpf_prog_alloc+0x39/0x200 [ 50.394635] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.395655] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.396618] do_seccomp+0x349/0x25e0 [ 50.397389] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.398359] ? __pfx_do_seccomp+0x10/0x10 [ 50.399237] ? find_held_lock+0x2b/0x80 [ 50.400055] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.401102] ? static_key_count+0x60/0x80 [ 50.401958] prctl_set_seccomp+0x4e/0x70 [ 50.402739] __do_sys_prctl+0xe6c/0x1d70 [ 50.403601] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.404521] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.405580] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.406624] ? irqentry_exit+0xf3/0x650 [ 50.407461] do_syscall_64+0xbf/0x430 [ 50.408264] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.409289] RIP: 0033:0x7f7d33cb45cd [ 50.410051] 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 [ 50.413456] RSP: 002b:00007ffcc5d0d700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.414919] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d33cb45cd [ 50.416328] RDX: 000055a65714de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.417716] RBP: 00007ffcc5d0d760 R08: 0000000000000000 R09: 00007ffcc5d0ce00 [ 50.419107] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a66f2dab10 [ 50.420298] R13: 00007ffcc5d0db90 R14: 000055a66f2db2b0 R15: 000055a66f2ef6f0 [ 50.421464] [ 50.421843] irq event stamp: 1815 [ 50.422419] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 50.423771] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 50.425118] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 50.426480] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 50.427839] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22483' (ECDSA) to the list of known hosts. 2025/11/18 20:04:03 fuzzer started 2025/11/18 20:04:03 dialing manager at localhost:34383 2025/11/18 20:04:03 checking machine... 2025/11/18 20:04:03 checking revisions... [ 51.336039] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:04:03 testing simple program... [ 51.442492] cgroup: Unknown subsys name 'net' [ 51.500184] cgroup: Unknown subsys name 'cpuset' [ 51.514060] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:04:03 Registers: info registers vcpu 0 RAX=0000000000000011 RBX=0000000000000002 RCX=ffffffff81b2a2a3 RDX=0000000000000011 RSI=ffffffff86ab8442 RDI=ffffffff86725cc8 RBP=ffff88806ce08ac8 RSP=ffff88806ce089d0 R8 =ffffffff86ab8442 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff86725d08 R13=ffff88806ce08ab8 R14=ffff88806ce08ab1 R15=ffff88806ce08a70 RIP=ffffffff8135da50 RFL=00000206 [-----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 00007f3945b5e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f119c91f650 CR3=0000000009b78000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=1e256ad224fe33e200000000000ae988 XMM05=d5aa78b4faf63b72000000000031f8c0 XMM06=7c4bfb88a6fd4e62000000000031e2f0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002ce51 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd4309d448 CR3=000000000e9f5000 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=34303a303220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323938 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000