[ 46.053791] ------------[ cut here ]------------ [ 46.054698] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.056735] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.058203] Modules linked in: [ 46.058830] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.060747] Tainted: [W]=WARN [ 46.061284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.062693] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.063519] 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 [ 46.066577] RSP: 0018:ffff888015d57bc0 EFLAGS: 00010286 [ 46.067456] RAX: 0000000000000000 RBX: ffffed1002baaf78 RCX: ffffffff813a4050 [ 46.068688] RDX: ffff88800e7a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.069909] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002baaf2f [ 46.071134] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.072395] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d57df8 [ 46.073638] FS: 00007f91168c1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.075023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.076043] CR2: 00007f9116db3580 CR3: 000000000da48000 CR4: 0000000000350ef0 [ 46.077274] Call Trace: [ 46.077766] [ 46.078162] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.079026] ? __create_object+0x59/0x80 [ 46.079787] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.080712] __vmalloc_noprof+0x59/0x60 [ 46.081392] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.082231] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.083113] bpf_prog_alloc+0x39/0x200 [ 46.083839] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.084728] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.085606] do_seccomp+0x349/0x25e0 [ 46.086252] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.087113] ? __pfx_do_seccomp+0x10/0x10 [ 46.087880] ? find_held_lock+0x2b/0x80 [ 46.088609] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.089497] ? static_key_count+0x60/0x80 [ 46.090279] prctl_set_seccomp+0x4e/0x70 [ 46.091024] __do_sys_prctl+0xe6c/0x1d70 [ 46.091791] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.092615] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.093491] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.094417] ? irqentry_exit+0xf3/0x650 [ 46.095143] do_syscall_64+0xbf/0x430 [ 46.095865] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.096785] RIP: 0033:0x7f9116db35cd [ 46.097412] 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 [ 46.100438] RSP: 002b:00007ffc3e777f50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.101544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9116db35cd [ 46.102569] RDX: 00005607fb83ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.103600] RBP: 00007ffc3e777fb0 R08: 0000000000000000 R09: 00007ffc3e777650 [ 46.104638] R10: 0000000000000000 R11: 0000000000000246 R12: 00005608117f92b0 [ 46.105662] R13: 00007ffc3e7783e0 R14: 00005608117fbd20 R15: 000056081180d8d0 [ 46.106715] [ 46.107054] irq event stamp: 1817 [ 46.107576] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 46.108814] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 46.110028] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 46.111265] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 46.112516] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.173976] ------------[ cut here ]------------ [ 49.174407] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.175327] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 49.175997] Modules linked in: [ 49.176276] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.177268] Tainted: [W]=WARN [ 49.177657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.178315] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.178819] 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 [ 49.180391] RSP: 0018:ffff88800f45fbc0 EFLAGS: 00010286 [ 49.180885] RAX: 0000000000000000 RBX: ffffed1001e8bf78 RCX: ffffffff813a4050 [ 49.181462] RDX: ffff888017b79bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.182055] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e8bf2f [ 49.182644] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.183207] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f45fdf8 [ 49.183815] FS: 00007f3cde91d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.184467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.184961] CR2: 00007ffd341adef8 CR3: 000000000e16d000 CR4: 0000000000350ef0 [ 49.185560] Call Trace: [ 49.185774] [ 49.185960] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.186353] ? __create_object+0x59/0x80 [ 49.186714] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.187363] __vmalloc_noprof+0x59/0x60 [ 49.187871] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.188422] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.188857] bpf_prog_alloc+0x39/0x200 [ 49.189171] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.189610] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.190001] do_seccomp+0x349/0x25e0 [ 49.190318] ? find_held_lock+0x2b/0x80 [ 49.190667] ? do_prlimit+0x310/0x610 [ 49.190984] ? __pfx_do_seccomp+0x10/0x10 [ 49.191332] ? do_raw_spin_unlock+0x53/0x220 [ 49.191732] ? _raw_spin_unlock+0x1e/0x40 [ 49.192072] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.192500] ? static_key_count+0x60/0x80 [ 49.192875] prctl_set_seccomp+0x4e/0x70 [ 49.193205] __do_sys_prctl+0xe6c/0x1d70 [ 49.193585] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.193959] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.194387] ? irqentry_exit+0xf3/0x650 [ 49.194742] do_syscall_64+0xbf/0x430 [ 49.195059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.195479] RIP: 0033:0x7f3cdee0f5cd [ 49.195815] 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 [ 49.197402] RSP: 002b:00007ffd341acb70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.198131] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3cdee0f5cd [ 49.198739] RDX: 000055c35fc65e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.199377] RBP: 00007ffd341acbd0 R08: 0000000000000000 R09: 00007ffd341ac270 [ 49.200093] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c392a46b10 [ 49.200687] R13: 00007ffd341ad000 R14: 000055c392a472b0 R15: 000055c392a5b6f0 [ 49.201267] [ 49.201462] irq event stamp: 1823 [ 49.201761] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 49.202449] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 49.203157] softirqs last enabled at (1856): [] handle_softirqs+0x50c/0x770 [ 49.203887] softirqs last disabled at (1849): [] __irq_exit_rcu+0xc4/0x100 [ 49.204613] ---[ end trace 0000000000000000 ]--- [ 49.987875] ------------[ cut here ]------------ [ 49.988780] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.990719] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 49.992157] Modules linked in: [ 49.992767] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.994946] Tainted: [W]=WARN [ 49.995508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.997115] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.998001] 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 [ 50.001106] RSP: 0018:ffff88801753fbc0 EFLAGS: 00010286 [ 50.002079] RAX: 0000000000000000 RBX: ffffed1002ea7f78 RCX: ffffffff813a4050 [ 50.003357] RDX: ffff888016d28000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.004639] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea7f2f [ 50.005882] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.007159] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801753fdf8 [ 50.008433] FS: 00007f142c008900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.009837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.010904] CR2: 00007ffe80d42ef8 CR3: 000000001401b000 CR4: 0000000000350ef0 [ 50.012196] Call Trace: [ 50.012694] [ 50.013106] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.013966] ? __create_object+0x59/0x80 [ 50.014746] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.015737] __vmalloc_noprof+0x59/0x60 [ 50.016459] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.017350] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.018277] bpf_prog_alloc+0x39/0x200 [ 50.018980] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.019919] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.020821] do_seccomp+0x349/0x25e0 [ 50.021487] ? find_held_lock+0x2b/0x80 [ 50.022248] ? do_prlimit+0x310/0x610 [ 50.023122] ? __pfx_do_seccomp+0x10/0x10 [ 50.023896] ? do_raw_spin_unlock+0x53/0x220 [ 50.024740] ? _raw_spin_unlock+0x1e/0x40 [ 50.025462] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.026413] ? static_key_count+0x60/0x80 [ 50.027211] prctl_set_seccomp+0x4e/0x70 [ 50.027977] __do_sys_prctl+0xe6c/0x1d70 [ 50.028784] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.029636] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.030587] ? irqentry_exit+0xf3/0x650 [ 50.031300] do_syscall_64+0xbf/0x430 [ 50.032050] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.032973] RIP: 0033:0x7f142c4fa5cd [ 50.033687] 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 [ 50.036773] RSP: 002b:00007ffe80d41770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.038147] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f142c4fa5cd [ 50.039401] RDX: 00005654d8919e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.040678] RBP: 00007ffe80d417d0 R08: 0000000000000000 R09: 00007ffe80d40e70 [ 50.041943] R10: 0000000000000000 R11: 0000000000000246 R12: 00005654e7bbbad0 [ 50.043220] R13: 00007ffe80d41c00 R14: 00005654e7bbcbc0 R15: 00005654e7bcd780 [ 50.044527] [ 50.044960] irq event stamp: 1857 [ 50.045614] hardirqs last enabled at (1867): [] __up_console_sem+0x78/0x80 [ 50.047120] hardirqs last disabled at (1876): [] __up_console_sem+0x5d/0x80 [ 50.048607] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 50.050137] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 50.051612] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:50145' (ECDSA) to the list of known hosts. 2025/11/18 19:35:49 fuzzer started 2025/11/18 19:35:49 dialing manager at localhost:34383 2025/11/18 19:35:49 checking machine... 2025/11/18 19:35:49 checking revisions... [ 50.956963] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:35:49 testing simple program... [ 51.038947] cgroup: Unknown subsys name 'net' [ 51.089997] cgroup: Unknown subsys name 'cpuset' [ 51.107081] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:35:48 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff86aaf6be RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88801997f488 RSP=ffff88801997f3c0 R8 =ffffffff86aaf6c2 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023e35 R12=ffff88801997f490 R13=ffff88801997f478 R14=0000000000000004 R15=ffff88801997f430 RIP=ffffffff8135f777 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 00007f3cde91d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3cdeed4618 CR3=0000000009df5000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000000 RCX=ffffffff84c7d498 RDX=fffffbfff0cc9f0b RSI=0000000000000008 RDI=ffffffff8664f850 RBP=ffff888017737ac8 RSP=ffff8880177379b0 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=0000000000000001 R12=0000000000000001 R13=ffff888016641b00 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815bd100 RFL=00000247 [---Z-PC] 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 00007f74a258a700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe49221588 CR3=000000000cd47000 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=2038343a35333a393120383120766f4e XMM01=657463656e6e6f63736944203a5d3334 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3334325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038343a35333a3931203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000