[ 46.952523] ------------[ cut here ]------------ [ 46.953443] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.955397] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.956792] Modules linked in: [ 46.957434] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.959384] Tainted: [W]=WARN [ 46.959918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.961346] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.962227] 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 [ 46.965310] RSP: 0018:ffff88801769fbc0 EFLAGS: 00010286 [ 46.966260] RAX: 0000000000000000 RBX: ffffed1002ed3f78 RCX: ffffffff813a4050 [ 46.967517] RDX: ffff88801a0e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.968783] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ed3f2f [ 46.970036] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.971289] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801769fdf8 [ 46.972551] FS: 00007f50c0b60900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.973948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.974983] CR2: 00007f50c10c64a6 CR3: 00000000138e3000 CR4: 0000000000350ef0 [ 46.976236] Call Trace: [ 46.976692] [ 46.977131] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.977962] ? __create_object+0x59/0x80 [ 46.978731] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.979693] __vmalloc_noprof+0x59/0x60 [ 46.980423] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.981276] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.982190] bpf_prog_alloc+0x39/0x200 [ 46.982879] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.983787] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.984658] do_seccomp+0x349/0x25e0 [ 46.985366] ? find_held_lock+0x2b/0x80 [ 46.986075] ? do_prlimit+0x310/0x610 [ 46.986799] ? __pfx_do_seccomp+0x10/0x10 [ 46.987590] ? do_raw_spin_unlock+0x53/0x220 [ 46.988403] ? _raw_spin_unlock+0x1e/0x40 [ 46.989168] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.990067] ? static_key_count+0x60/0x80 [ 46.990858] prctl_set_seccomp+0x4e/0x70 [ 46.991626] __do_sys_prctl+0xe6c/0x1d70 [ 46.992387] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.993231] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.994197] ? irqentry_exit+0xf3/0x650 [ 46.994914] do_syscall_64+0xbf/0x430 [ 46.995638] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.996568] RIP: 0033:0x7f50c10525cd [ 46.997254] 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 [ 47.000349] RSP: 002b:00007fff05efa1d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.001676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f50c10525cd [ 47.002939] RDX: 0000562796c0fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.004180] RBP: 00007fff05efa230 R08: 0000000000000000 R09: 00007fff05ef98d0 [ 47.005437] R10: 0000000000000000 R11: 0000000000000246 R12: 00005627ba049ad0 [ 47.006686] R13: 00007fff05efa660 R14: 00005627ba04abc0 R15: 00005627ba05b780 [ 47.007958] [ 47.008421] irq event stamp: 1793 [ 47.009024] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 47.010506] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 47.011996] softirqs last enabled at (1386): [] handle_softirqs+0x50c/0x770 [ 47.013495] softirqs last disabled at (1375): [] __irq_exit_rcu+0xc4/0x100 [ 47.014973] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.831892] ------------[ cut here ]------------ [ 49.832856] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.834902] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.836358] Modules linked in: [ 49.836945] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.838944] Tainted: [W]=WARN [ 49.839786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.841336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.842250] 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 [ 49.845455] RSP: 0018:ffff88801840fbc0 EFLAGS: 00010286 [ 49.846445] RAX: 0000000000000000 RBX: ffffed1003081f78 RCX: ffffffff813a4050 [ 49.847737] RDX: ffff88801875d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.849034] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003081f2f [ 49.850350] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.851647] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801840fdf8 [ 49.852957] FS: 00007f1f28451900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.854438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.855520] CR2: 00007f1f28943580 CR3: 0000000013b89000 CR4: 0000000000350ef0 [ 49.856816] Call Trace: [ 49.857336] [ 49.857743] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.858650] ? __create_object+0x59/0x80 [ 49.859442] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.860431] __vmalloc_noprof+0x59/0x60 [ 49.861187] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.862024] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.862980] bpf_prog_alloc+0x39/0x200 [ 49.863741] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.864685] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.865591] do_seccomp+0x349/0x25e0 [ 49.866312] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.867228] ? __pfx_do_seccomp+0x10/0x10 [ 49.867988] ? find_held_lock+0x2b/0x80 [ 49.868756] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.869722] ? static_key_count+0x60/0x80 [ 49.870530] prctl_set_seccomp+0x4e/0x70 [ 49.871319] __do_sys_prctl+0xe6c/0x1d70 [ 49.872068] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.872930] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.873896] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.874865] ? irqentry_exit+0xf3/0x650 [ 49.875648] do_syscall_64+0xbf/0x430 [ 49.876392] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.877357] RIP: 0033:0x7f1f289435cd [ 49.878032] 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 [ 49.881251] RSP: 002b:00007fff2317f020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.882625] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f289435cd [ 49.883943] RDX: 000055a1ddd7fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.885227] RBP: 00007fff2317f080 R08: 0000000000000000 R09: 00007fff2317e720 [ 49.886517] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a2159e3ad0 [ 49.887814] R13: 00007fff2317f4b0 R14: 000055a2159e4bc0 R15: 000055a2159f5780 [ 49.889120] [ 49.889543] irq event stamp: 1775 [ 49.890190] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 49.891731] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 49.893242] softirqs last enabled at (1418): [] handle_softirqs+0x50c/0x770 [ 49.894789] softirqs last disabled at (1413): [] __irq_exit_rcu+0xc4/0x100 [ 49.896212] ---[ end trace 0000000000000000 ]--- [ 50.482232] ------------[ cut here ]------------ [ 50.482987] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.484638] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.485859] Modules linked in: [ 50.486582] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.488662] Tainted: [W]=WARN [ 50.489174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.490410] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.491188] 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 [ 50.493836] RSP: 0018:ffff888017037bc0 EFLAGS: 00010286 [ 50.494666] RAX: 0000000000000000 RBX: ffffed1002e06f78 RCX: ffffffff813a4050 [ 50.495756] RDX: ffff88801597b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.496831] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e06f2f [ 50.497904] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.498986] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017037df8 [ 50.500062] FS: 00007fd0d53b6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.501281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.502175] CR2: 00007fd0d58a8580 CR3: 000000001c2a3000 CR4: 0000000000350ef0 [ 50.503260] Call Trace: [ 50.503648] [ 50.503992] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.504749] ? __create_object+0x59/0x80 [ 50.505405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.506215] __vmalloc_noprof+0x59/0x60 [ 50.506813] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.507546] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.508327] bpf_prog_alloc+0x39/0x200 [ 50.508912] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.509684] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.510451] do_seccomp+0x349/0x25e0 [ 50.511021] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.511773] ? __pfx_do_seccomp+0x10/0x10 [ 50.512434] ? find_held_lock+0x2b/0x80 [ 50.513032] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.513844] ? static_key_count+0x60/0x80 [ 50.514522] prctl_set_seccomp+0x4e/0x70 [ 50.515181] __do_sys_prctl+0xe6c/0x1d70 [ 50.515806] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.516532] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.517342] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.518151] ? irqentry_exit+0xf3/0x650 [ 50.518757] do_syscall_64+0xbf/0x430 [ 50.519386] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.520182] RIP: 0033:0x7fd0d58a85cd [ 50.520740] 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 [ 50.523407] RSP: 002b:00007ffd20fbbf40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.524552] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0d58a85cd [ 50.525629] RDX: 00005629c8f4ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.526698] RBP: 00007ffd20fbbfa0 R08: 0000000000000000 R09: 00007ffd20fbb640 [ 50.527780] R10: 0000000000000000 R11: 0000000000000246 R12: 00005629f4de3ad0 [ 50.528859] R13: 00007ffd20fbc3d0 R14: 00005629f4de4bc0 R15: 00005629f4df5780 [ 50.529953] [ 50.530332] irq event stamp: 1857 [ 50.530840] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 50.532127] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 50.533403] softirqs last enabled at (1388): [] handle_softirqs+0x50c/0x770 [ 50.534690] softirqs last disabled at (1283): [] __irq_exit_rcu+0xc4/0x100 [ 50.535969] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61759' (ECDSA) to the list of known hosts. 2025/11/18 13:38:37 fuzzer started 2025/11/18 13:38:37 dialing manager at localhost:34383 2025/11/18 13:38:37 checking machine... 2025/11/18 13:38:37 checking revisions... [ 51.308500] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:38:37 testing simple program... [ 51.395865] cgroup: Unknown subsys name 'net' [ 51.450492] cgroup: Unknown subsys name 'cpuset' [ 51.465287] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:38:37 Registers: info registers vcpu 0 RAX=00000000000453fb RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f08bd670000 CR3=000000000c2a4000 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=493be29385ad7aaefd45581079e491cc XMM02=ec2efd57dc4c00df0000000000304ea0 XMM03=a7349c664583bd880000000000304f70 XMM04=db196b64e3fb6ae200000000000ae988 XMM05=d96330e2d2db86320000000000320648 XMM06=56f428bbd1492d05000000000031a728 XMM07=e042d86d42eb936e0000000000311ee0 XMM08=a7349c664583bd880000000000304f70 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=91ee2488380ef400 RBX=ffff8880159e7ae0 RCX=ffff8880159e793c RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff8880173c8a58 RBP=ffffffff85e1ffe0 RSP=ffff8880159e7930 R8 =0000000000000001 R9 =ffff8880159e7a78 R10=000000000003c9ed R11=000000000000453f R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff8880173c8000 R15=0000000000000001 RIP=ffffffff81529012 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 00007f1f28451900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff23179000 CR3=000000001c370000 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=6720646572637465733a4d41503d706f 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