[ 38.982849] ------------[ cut here ]------------ [ 38.983775] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.985760] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.987198] Modules linked in: [ 38.987841] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.989897] Tainted: [W]=WARN [ 38.990512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.991969] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.992892] 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 [ 38.996065] RSP: 0018:ffff88800f0a7bc0 EFLAGS: 00010286 [ 38.997056] RAX: 0000000000000000 RBX: ffffed1001e14f78 RCX: ffffffff813a4050 [ 38.998324] RDX: ffff88801616d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.999607] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e14f2f [ 39.000894] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.002171] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f0a7df8 [ 39.003459] FS: 00007fef7a5cc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.004903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.005958] CR2: 00007fff08a98ef7 CR3: 000000000fc18000 CR4: 0000000000350ef0 [ 39.007244] Call Trace: [ 39.007734] [ 39.008133] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.009058] ? __create_object+0x59/0x80 [ 39.009847] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.010804] __vmalloc_noprof+0x59/0x60 [ 39.011557] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.012429] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.013366] bpf_prog_alloc+0x39/0x200 [ 39.014053] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.014975] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.015873] do_seccomp+0x349/0x25e0 [ 39.016589] ? find_held_lock+0x2b/0x80 [ 39.017358] ? do_prlimit+0x310/0x610 [ 39.018050] ? __pfx_do_seccomp+0x10/0x10 [ 39.018831] ? do_raw_spin_unlock+0x53/0x220 [ 39.019662] ? _raw_spin_unlock+0x1e/0x40 [ 39.020436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.021409] ? static_key_count+0x60/0x80 [ 39.022039] prctl_set_seccomp+0x4e/0x70 [ 39.022544] __do_sys_prctl+0xe6c/0x1d70 [ 39.023019] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.023581] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.024185] ? irqentry_exit+0xf3/0x650 [ 39.024679] do_syscall_64+0xbf/0x430 [ 39.025133] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.025748] RIP: 0033:0x7fef7aabe5cd [ 39.026092] 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 [ 39.027664] RSP: 002b:00007fff08a96580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.028340] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fef7aabe5cd [ 39.028945] RDX: 00005559a5c1ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.029564] RBP: 00007fff08a965e0 R08: 0000000000000000 R09: 00007fff08a95c80 [ 39.030164] R10: 0000000000000000 R11: 0000000000000246 R12: 00005559b885bad0 [ 39.030800] R13: 00007fff08a96a10 R14: 00005559b885cbc0 R15: 00005559b886d780 [ 39.031418] [ 39.031618] irq event stamp: 1725 [ 39.031911] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 39.032609] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 39.033287] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 39.033953] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 39.034623] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.461589] ------------[ cut here ]------------ [ 41.462363] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.464031] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.465234] Modules linked in: [ 41.465803] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.467457] Tainted: [W]=WARN [ 41.467935] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.469181] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.469943] 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 [ 41.472609] RSP: 0018:ffff888016c7fbc0 EFLAGS: 00010286 [ 41.473439] RAX: 0000000000000000 RBX: ffffed1002d8ff78 RCX: ffffffff813a4050 [ 41.474521] RDX: ffff888018803780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.475592] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d8ff2f [ 41.476698] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.477775] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c7fdf8 [ 41.478863] FS: 00007f5d83b57900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.480076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.480968] CR2: 00007ffe05498ef7 CR3: 000000000bf7b000 CR4: 0000000000350ef0 [ 41.482036] Call Trace: [ 41.482464] [ 41.482807] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.483576] ? __create_object+0x59/0x80 [ 41.484190] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.485023] __vmalloc_noprof+0x59/0x60 [ 41.485680] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.486407] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.487141] bpf_prog_alloc+0x39/0x200 [ 41.487757] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.488561] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.489351] do_seccomp+0x349/0x25e0 [ 41.489927] ? find_held_lock+0x2b/0x80 [ 41.490574] ? do_prlimit+0x310/0x610 [ 41.491175] ? __pfx_do_seccomp+0x10/0x10 [ 41.491844] ? do_raw_spin_unlock+0x53/0x220 [ 41.492549] ? _raw_spin_unlock+0x1e/0x40 [ 41.493186] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.494001] ? static_key_count+0x60/0x80 [ 41.494674] prctl_set_seccomp+0x4e/0x70 [ 41.495328] __do_sys_prctl+0xe6c/0x1d70 [ 41.495956] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.496690] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.497512] ? irqentry_exit+0xf3/0x650 [ 41.498109] do_syscall_64+0xbf/0x430 [ 41.498719] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.499509] RIP: 0033:0x7f5d840495cd [ 41.500055] 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 [ 41.502715] RSP: 002b:00007ffe05496fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.503864] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d840495cd [ 41.505215] RDX: 000055e9792d8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.506558] RBP: 00007ffe05497000 R08: 0000000000000000 R09: 00007ffe054966a0 [ 41.507843] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e9ac8a2ad0 [ 41.509149] R13: 00007ffe05497430 R14: 000055e9ac8a3bc0 R15: 000055e9ac8b4780 [ 41.510448] [ 41.510873] irq event stamp: 1767 [ 41.511523] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 41.513073] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 41.514490] softirqs last enabled at (1812): [] handle_softirqs+0x50c/0x770 [ 41.515776] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 41.517042] ---[ end trace 0000000000000000 ]--- [ 42.205256] ------------[ cut here ]------------ [ 42.206204] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.208307] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.209819] Modules linked in: [ 42.210446] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.212773] Tainted: [W]=WARN [ 42.213453] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.215020] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.215977] 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 [ 42.219537] RSP: 0018:ffff888016ff7bc0 EFLAGS: 00010286 [ 42.220540] RAX: 0000000000000000 RBX: ffffed1002dfef78 RCX: ffffffff813a4050 [ 42.221982] RDX: ffff888016930000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.223501] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dfef2f [ 42.224889] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.226224] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ff7df8 [ 42.227545] FS: 00007f98d8402900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.229061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.230163] CR2: 00007f98d88f4580 CR3: 0000000020846000 CR4: 0000000000350ef0 [ 42.231502] Call Trace: [ 42.231985] [ 42.232449] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.233605] ? __create_object+0x59/0x80 [ 42.234638] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.235876] __vmalloc_noprof+0x59/0x60 [ 42.236873] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.237994] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.239044] bpf_prog_alloc+0x39/0x200 [ 42.239824] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.240815] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.241758] do_seccomp+0x349/0x25e0 [ 42.242506] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.243462] ? __pfx_do_seccomp+0x10/0x10 [ 42.244226] ? find_held_lock+0x2b/0x80 [ 42.245038] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.246029] ? static_key_count+0x60/0x80 [ 42.246889] prctl_set_seccomp+0x4e/0x70 [ 42.247699] __do_sys_prctl+0xe6c/0x1d70 [ 42.248492] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.249401] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.250392] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.251407] ? irqentry_exit+0xf3/0x650 [ 42.252155] do_syscall_64+0xbf/0x430 [ 42.252932] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.253918] RIP: 0033:0x7f98d88f45cd [ 42.254669] 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 [ 42.257955] RSP: 002b:00007ffe2e7b0fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.259369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98d88f45cd [ 42.260694] RDX: 000055ddeb7e7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.262015] RBP: 00007ffe2e7b1010 R08: 0000000000000000 R09: 00007ffe2e7b06b0 [ 42.263356] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de20c1aad0 [ 42.264688] R13: 00007ffe2e7b1440 R14: 000055de20c1bbc0 R15: 000055de20c2c780 [ 42.266037] [ 42.266433] irq event stamp: 1845 [ 42.266961] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 42.268268] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 42.269566] softirqs last enabled at (1620): [] handle_softirqs+0x50c/0x770 [ 42.270899] softirqs last disabled at (1611): [] __irq_exit_rcu+0xc4/0x100 [ 42.272185] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43750' (ECDSA) to the list of known hosts. 2025/11/18 16:31:36 fuzzer started 2025/11/18 16:31:36 dialing manager at localhost:34383 2025/11/18 16:31:36 checking machine... 2025/11/18 16:31:36 checking revisions... [ 43.112575] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:31:37 testing simple program... [ 43.172036] cgroup: Unknown subsys name 'net' [ 43.220898] cgroup: Unknown subsys name 'cpuset' [ 43.230231] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:31:36 Registers: info registers vcpu 0 RAX=ffffffff869f213b RBX=0000000000000001 RCX=ffffffff869f2136 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88800cd9f9d8 RSP=ffff88800cd9f8c0 R8 =ffffffff869f213a R9 =0000000000000000 R10=000000000003c9ed R11=000000000000453f R12=ffff88800cd9f9e0 R13=ffff88800cd9f9c8 R14=ffff88800cd9f9c1 R15=ffff88800cd9f980 RIP=ffffffff8135e879 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 00007f5d83b57900 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=00007f5d8410e618 CR3=00000000202ec000 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=563412feff00545000000000000080fe 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=000000000001a319 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 fffffe0600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffec9b30b48 CR3=000000000cc50000 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=2036333a31333a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035333a31333a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000