[ 39.588442] ------------[ cut here ]------------ [ 39.589394] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.591550] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.593035] Modules linked in: [ 39.593720] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.596037] Tainted: [W]=WARN [ 39.596744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.598279] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.599233] 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 [ 39.602544] RSP: 0018:ffff888015e4fbc0 EFLAGS: 00010286 [ 39.603579] RAX: 0000000000000000 RBX: ffffed1002bc9f78 RCX: ffffffff813a4050 [ 39.604906] RDX: ffff88800f689bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.606237] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc9f2f [ 39.607571] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.608885] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e4fdf8 [ 39.610217] FS: 00007f02f094b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.611724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.612844] CR2: 00007ffea604eef7 CR3: 000000000d00e000 CR4: 0000000000350ef0 [ 39.614193] Call Trace: [ 39.614733] [ 39.615158] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.616095] ? __create_object+0x59/0x80 [ 39.616929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.617950] __vmalloc_noprof+0x59/0x60 [ 39.618749] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.619664] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.620629] bpf_prog_alloc+0x39/0x200 [ 39.621322] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.622295] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.623238] do_seccomp+0x349/0x25e0 [ 39.624009] ? find_held_lock+0x2b/0x80 [ 39.624813] ? do_prlimit+0x310/0x610 [ 39.625594] ? __pfx_do_seccomp+0x10/0x10 [ 39.626363] ? do_raw_spin_unlock+0x53/0x220 [ 39.627222] ? _raw_spin_unlock+0x1e/0x40 [ 39.628059] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.629064] ? static_key_count+0x60/0x80 [ 39.629913] prctl_set_seccomp+0x4e/0x70 [ 39.630736] __do_sys_prctl+0xe6c/0x1d70 [ 39.631499] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.632402] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.633398] ? irqentry_exit+0xf3/0x650 [ 39.634200] do_syscall_64+0xbf/0x430 [ 39.634992] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.635986] RIP: 0033:0x7f02f0e3d5cd [ 39.636730] 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 [ 39.640006] RSP: 002b:00007ffea604d1d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.641395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f02f0e3d5cd [ 39.642739] RDX: 000055d55fa04e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.644331] RBP: 00007ffea604d230 R08: 0000000000000000 R09: 00007ffea604c8d0 [ 39.645983] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d561de1b10 [ 39.647612] R13: 00007ffea604d660 R14: 000055d561de22b0 R15: 000055d561df66f0 [ 39.649279] [ 39.649904] irq event stamp: 1829 [ 39.650717] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 39.652650] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 39.654454] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 39.656125] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 39.657729] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.581073] ------------[ cut here ]------------ [ 42.582026] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.584050] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.585482] Modules linked in: [ 42.586119] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.588069] Tainted: [W]=WARN [ 42.588661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.590122] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.591025] 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 [ 42.594188] RSP: 0018:ffff888019d9fbc0 EFLAGS: 00010286 [ 42.595189] RAX: 0000000000000000 RBX: ffffed10033b3f78 RCX: ffffffff813a4050 [ 42.596469] RDX: ffff8880164c8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.597780] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033b3f2f [ 42.599056] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.600325] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d9fdf8 [ 42.601613] FS: 00007f507ddbf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.603035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.604093] CR2: 00007ffc114dbef7 CR3: 000000000d6c8000 CR4: 0000000000350ef0 [ 42.605366] Call Trace: [ 42.605884] [ 42.606291] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.607177] ? __create_object+0x59/0x80 [ 42.607936] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.608909] __vmalloc_noprof+0x59/0x60 [ 42.609690] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.610547] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.611428] bpf_prog_alloc+0x39/0x200 [ 42.612155] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.613068] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.613989] do_seccomp+0x349/0x25e0 [ 42.614699] ? find_held_lock+0x2b/0x80 [ 42.615403] ? do_prlimit+0x310/0x610 [ 42.616140] ? __pfx_do_seccomp+0x10/0x10 [ 42.616917] ? do_raw_spin_unlock+0x53/0x220 [ 42.617754] ? _raw_spin_unlock+0x1e/0x40 [ 42.618486] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.619442] ? static_key_count+0x60/0x80 [ 42.620230] prctl_set_seccomp+0x4e/0x70 [ 42.621009] __do_sys_prctl+0xe6c/0x1d70 [ 42.621790] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.622647] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.623602] ? irqentry_exit+0xf3/0x650 [ 42.624313] do_syscall_64+0xbf/0x430 [ 42.625053] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.625999] RIP: 0033:0x7f507e2b15cd [ 42.626689] 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 [ 42.629827] RSP: 002b:00007ffc114da0f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.631183] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f507e2b15cd [ 42.632462] RDX: 0000555ebd598e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.633752] RBP: 00007ffc114da150 R08: 0000000000000000 R09: 00007ffc114d97f0 [ 42.635023] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555ed6658240 [ 42.636283] R13: 00007ffc114da580 R14: 0000555ed6661380 R15: 0000555ed666c540 [ 42.637588] [ 42.638024] irq event stamp: 1735 [ 42.638682] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 42.640193] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 42.641711] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 42.643233] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 42.644731] ---[ end trace 0000000000000000 ]--- [ 43.452586] ------------[ cut here ]------------ [ 43.453473] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.455627] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.457077] Modules linked in: [ 43.457940] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.459979] Tainted: [W]=WARN [ 43.460583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.462053] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.462964] 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 [ 43.466133] RSP: 0018:ffff8880174c7bc0 EFLAGS: 00010286 [ 43.467108] RAX: 0000000000000000 RBX: ffffed1002e98f78 RCX: ffffffff813a4050 [ 43.468385] RDX: ffff888017180000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.469674] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e98f2f [ 43.470961] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.472224] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174c7df8 [ 43.473526] FS: 00007f4aac600900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.474981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.476032] CR2: 00007ffc34faeef7 CR3: 000000000df12000 CR4: 0000000000350ef0 [ 43.477303] Call Trace: [ 43.477820] [ 43.478229] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.479113] ? __create_object+0x59/0x80 [ 43.479893] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.480863] __vmalloc_noprof+0x59/0x60 [ 43.481633] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.482450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.483388] bpf_prog_alloc+0x39/0x200 [ 43.484134] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.485069] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.485976] do_seccomp+0x349/0x25e0 [ 43.486690] ? find_held_lock+0x2b/0x80 [ 43.487403] ? do_prlimit+0x310/0x610 [ 43.488144] ? __pfx_do_seccomp+0x10/0x10 [ 43.488930] ? do_raw_spin_unlock+0x53/0x220 [ 43.489767] ? _raw_spin_unlock+0x1e/0x40 [ 43.490547] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.491446] ? static_key_count+0x60/0x80 [ 43.492250] prctl_set_seccomp+0x4e/0x70 [ 43.493020] __do_sys_prctl+0xe6c/0x1d70 [ 43.493807] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.494691] do_syscall_64+0xbf/0x430 [ 43.495393] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.496350] RIP: 0033:0x7f4aacaf25cd [ 43.497056] 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 [ 43.500222] RSP: 002b:00007ffc34fac370 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.501591] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4aacaf25cd [ 43.502867] RDX: 000055f295dede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.504146] RBP: 00007ffc34fac3d0 R08: 0000000000000000 R09: 00007ffc34faba70 [ 43.505436] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f2cc7eb2b0 [ 43.506744] R13: 00007ffc34fac800 R14: 000055f2cc7edd20 R15: 000055f2cc7ff8d0 [ 43.508040] [ 43.508462] irq event stamp: 1895 [ 43.509128] hardirqs last enabled at (1921): [] __up_console_sem+0x78/0x80 [ 43.510670] hardirqs last disabled at (1936): [] __up_console_sem+0x5d/0x80 [ 43.512197] softirqs last enabled at (1934): [] handle_softirqs+0x50c/0x770 [ 43.513749] softirqs last disabled at (1929): [] __irq_exit_rcu+0xc4/0x100 [ 43.515269] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45352' (ECDSA) to the list of known hosts. 2025/11/17 11:28:07 fuzzer started 2025/11/17 11:28:07 dialing manager at localhost:37895 2025/11/17 11:28:07 checking machine... 2025/11/17 11:28:07 checking revisions... [ 44.477867] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:28:08 testing simple program... [ 44.570449] cgroup: Unknown subsys name 'net' [ 44.639961] cgroup: Unknown subsys name 'cpuset' [ 44.657990] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:28:07 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff86d76e8e RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86d76e92 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a7cd R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff888015e4fef8 R15=ffff88806ce08a70 RIP=ffffffff8135e97b RFL=00000282 [--S----] 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 00007f507ddbf900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc114d4000 CR3=000000000b766000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001bc65 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fcce0640368 CR3=000000000dfc2000 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=ca264e982579ffb6b4432d83e3b90bb0 XMM02=0000000000301c60ec2efd57dc4c00df XMM03=000000000030dcc02e1ca76d3ed2b748 XMM04=3786bfd87d91c32b00000000000ae988 XMM05=090f1556b20111b3000000000031e830 XMM06=5b75c91c80445342000000000031e6b8 XMM07=e042d86d42eb936e000000000030df98 XMM08=2e1ca76d3ed2b7480000000000301cc0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000