Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.347443] ------------[ cut here ]------------ [ 39.348365] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.350416] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.351882] Modules linked in: [ 39.352460] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.354424] Tainted: [W]=WARN [ 39.355013] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.356450] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.357346] 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 [ 39.360623] RSP: 0018:ffff888017b87bc0 EFLAGS: 00010286 [ 39.361760] RAX: 0000000000000000 RBX: ffffed1002f70f78 RCX: ffffffff813a4050 [ 39.363229] RDX: ffff888016a5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.364700] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f70f2f [ 39.366138] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.367575] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b87df8 [ 39.369006] FS: 00007fa4b36d7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.370615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.371806] CR2: 00007ffe1534def7 CR3: 000000000db96000 CR4: 0000000000350ef0 [ 39.373248] Call Trace: [ 39.373821] [ 39.374279] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.375303] ? __create_object+0x59/0x80 [ 39.376181] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.377267] __vmalloc_noprof+0x59/0x60 [ 39.378108] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.379101] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.380147] bpf_prog_alloc+0x39/0x200 [ 39.380978] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.382016] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.383050] do_seccomp+0x349/0x25e0 [ 39.383863] ? find_held_lock+0x2b/0x80 [ 39.384709] ? do_prlimit+0x310/0x610 [ 39.385497] ? __pfx_do_seccomp+0x10/0x10 [ 39.386396] ? do_raw_spin_unlock+0x53/0x220 [ 39.387320] ? _raw_spin_unlock+0x1e/0x40 [ 39.388184] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.389256] ? static_key_count+0x60/0x80 [ 39.390149] prctl_set_seccomp+0x4e/0x70 [ 39.391027] __do_sys_prctl+0xe6c/0x1d70 [ 39.391903] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.392862] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.393952] ? irqentry_exit+0xf3/0x650 [ 39.394826] do_syscall_64+0xbf/0x430 [ 39.395599] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.396654] RIP: 0033:0x7fa4b3bc95cd [ 39.397421] 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 [ 39.400974] RSP: 002b:00007ffe1534c850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.402518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4b3bc95cd [ 39.403949] RDX: 000056016bb27e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.405367] RBP: 00007ffe1534c8b0 R08: 0000000000000000 R09: 00007ffe1534bf50 [ 39.406807] R10: 0000000000000000 R11: 0000000000000246 R12: 000056018fd0aad0 [ 39.408210] R13: 00007ffe1534cce0 R14: 000056018fd0bbc0 R15: 000056018fd1c780 [ 39.409619] [ 39.410124] irq event stamp: 1811 [ 39.410842] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 39.412485] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 39.414151] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 39.415857] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 39.417506] ---[ end trace 0000000000000000 ]--- [ 42.939165] ------------[ cut here ]------------ [ 42.940090] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.942095] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.943573] Modules linked in: [ 42.944200] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.946197] Tainted: [W]=WARN [ 42.946810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.948278] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.949193] 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 [ 42.952357] RSP: 0018:ffff88801a32fbc0 EFLAGS: 00010286 [ 42.953325] RAX: 0000000000000000 RBX: ffffed1003465f78 RCX: ffffffff813a4050 [ 42.954622] RDX: ffff88801a243780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.955904] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003465f2f [ 42.957174] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.958509] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a32fdf8 [ 42.959800] FS: 00007f78d7543900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.961247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.962286] CR2: 00007f78d7a35580 CR3: 000000000de86000 CR4: 0000000000350ef0 [ 42.963574] Call Trace: [ 42.964076] [ 42.964505] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.965390] ? __create_object+0x59/0x80 [ 42.966180] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.967151] __vmalloc_noprof+0x59/0x60 [ 42.967897] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.968751] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.969656] bpf_prog_alloc+0x39/0x200 [ 42.970419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.971351] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.972259] do_seccomp+0x349/0x25e0 [ 42.972976] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.973874] ? __pfx_do_seccomp+0x10/0x10 [ 42.974637] ? find_held_lock+0x2b/0x80 [ 42.975396] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.976359] ? static_key_count+0x60/0x80 [ 42.977156] prctl_set_seccomp+0x4e/0x70 [ 42.977923] __do_sys_prctl+0xe6c/0x1d70 [ 42.978731] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.979551] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.980521] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.981511] ? irqentry_exit+0xf3/0x650 [ 42.982276] do_syscall_64+0xbf/0x430 [ 42.983032] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.983985] RIP: 0033:0x7f78d7a355cd [ 42.984651] 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 [ 42.987926] RSP: 002b:00007ffc907d60e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.989292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f78d7a355cd [ 42.990620] RDX: 0000557c13387e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.991911] RBP: 00007ffc907d6140 R08: 0000000000000000 R09: 00007ffc907d57e0 [ 42.993193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557c4faaead0 [ 42.994521] R13: 00007ffc907d6570 R14: 0000557c4faafbc0 R15: 0000557c4fac0780 [ 42.995817] [ 42.996251] irq event stamp: 1745 [ 42.996923] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 42.998486] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 42.999884] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 43.001176] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 43.002447] ---[ end trace 0000000000000000 ]--- [ 43.810481] ------------[ cut here ]------------ [ 43.811299] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.812970] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.814165] Modules linked in: [ 43.814701] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.816338] Tainted: [W]=WARN [ 43.816839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.818052] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.818823] 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 [ 43.821469] RSP: 0018:ffff888009f57bc0 EFLAGS: 00010286 [ 43.822291] RAX: 0000000000000000 RBX: ffffed10013eaf78 RCX: ffffffff813a4050 [ 43.823365] RDX: ffff888016569bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.824442] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013eaf2f [ 43.825506] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.826580] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009f57df8 [ 43.827640] FS: 00007f3a08bea900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.828858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.829734] CR2: 00007ffd1c31cef7 CR3: 000000000e40a000 CR4: 0000000000350ef0 [ 43.830810] Call Trace: [ 43.831201] [ 43.831536] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.832283] ? __create_object+0x59/0x80 [ 43.832921] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.833717] __vmalloc_noprof+0x59/0x60 [ 43.834308] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.835038] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.835808] bpf_prog_alloc+0x39/0x200 [ 43.836381] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.837146] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.837890] do_seccomp+0x349/0x25e0 [ 43.838457] ? find_held_lock+0x2b/0x80 [ 43.839083] ? do_prlimit+0x310/0x610 [ 43.839687] ? __pfx_do_seccomp+0x10/0x10 [ 43.840300] ? do_raw_spin_unlock+0x53/0x220 [ 43.840982] ? _raw_spin_unlock+0x1e/0x40 [ 43.841587] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.842392] ? static_key_count+0x60/0x80 [ 43.843044] prctl_set_seccomp+0x4e/0x70 [ 43.843644] __do_sys_prctl+0xe6c/0x1d70 [ 43.844291] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.845000] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.845799] ? irqentry_exit+0xf3/0x650 [ 43.846403] do_syscall_64+0xbf/0x430 [ 43.847018] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.847804] RIP: 0033:0x7f3a090dc5cd [ 43.848346] 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 [ 43.850961] RSP: 002b:00007ffd1c31a700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.852101] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a090dc5cd [ 43.853168] RDX: 0000560752b0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.854222] RBP: 00007ffd1c31a760 R08: 0000000000000000 R09: 00007ffd1c319e00 [ 43.855319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560791e80ad0 [ 43.856386] R13: 00007ffd1c31ab90 R14: 0000560791e81bc0 R15: 0000560791e92780 [ 43.857463] [ 43.857844] irq event stamp: 2743 [ 43.858346] hardirqs last enabled at (2751): [] __up_console_sem+0x78/0x80 [ 43.859615] hardirqs last disabled at (2760): [] __up_console_sem+0x5d/0x80 [ 43.860873] softirqs last enabled at (2710): [] handle_softirqs+0x50c/0x770 [ 43.862152] softirqs last disabled at (2703): [] __irq_exit_rcu+0xc4/0x100 [ 43.863424] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:7573' (ECDSA) to the list of known hosts. 2025/11/17 20:32:12 fuzzer started 2025/11/17 20:32:13 dialing manager at localhost:37895 2025/11/17 20:32:13 checking machine... 2025/11/17 20:32:13 checking revisions... [ 44.754744] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:32:13 testing simple program... [ 44.861516] cgroup: Unknown subsys name 'net' [ 44.931389] cgroup: Unknown subsys name 'cpuset' [ 44.950866] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:32:12 Registers: info registers vcpu 0 RAX=ffffffff85c2ca00 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8175a48f RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08988 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888008c4b780 RIP=ffffffff81529327 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffa51b3e000 CR3=000000000db32000 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=0b89609bf1055db6c545d5a323b22f99 XMM02=2c67c8bc2e329bc30000000000307378 XMM03=fb795ef6d65770560000000000313358 XMM04=942517f00043d84700000000000ae988 XMM05=c19e4b143d961e0d0000000000324998 XMM06=474038aa6c007e1f0000000000323a38 XMM07=e042d86d42eb936e0000000000313d40 XMM08=6c33fd12a7ccde8500000000003073d8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000249cd 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=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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc907d0000 CR3=000000000dc8b000 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=2032313a32333a303220373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031313a32333a3032203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000