[ 46.226242] ------------[ cut here ]------------ [ 46.227159] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.229097] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 46.230533] Modules linked in: [ 46.231120] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.233287] Tainted: [W]=WARN [ 46.233985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.235415] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.236268] 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 [ 46.239399] RSP: 0018:ffff88801ad7fbc0 EFLAGS: 00010286 [ 46.240305] RAX: 0000000000000000 RBX: ffffed10035aff78 RCX: ffffffff813a4050 [ 46.241566] RDX: ffff88800ebb3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.242799] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035aff2f [ 46.244048] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.245292] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ad7fdf8 [ 46.246555] FS: 00007fa8bfc7c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.247956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.248984] CR2: 00007ffd19592ef7 CR3: 000000000e134000 CR4: 0000000000350ef0 [ 46.250249] Call Trace: [ 46.250752] [ 46.251159] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.252032] ? __create_object+0x59/0x80 [ 46.252805] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.253768] __vmalloc_noprof+0x59/0x60 [ 46.254510] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.255323] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.256233] bpf_prog_alloc+0x39/0x200 [ 46.256959] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.257893] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.258771] do_seccomp+0x349/0x25e0 [ 46.259465] ? find_held_lock+0x2b/0x80 [ 46.260162] ? do_prlimit+0x310/0x610 [ 46.260883] ? __pfx_do_seccomp+0x10/0x10 [ 46.261637] ? do_raw_spin_unlock+0x53/0x220 [ 46.262445] ? _raw_spin_unlock+0x1e/0x40 [ 46.263168] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.264097] ? static_key_count+0x60/0x80 [ 46.264868] prctl_set_seccomp+0x4e/0x70 [ 46.265624] __do_sys_prctl+0xe6c/0x1d70 [ 46.266342] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.267185] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.268130] ? irqentry_exit+0xf3/0x650 [ 46.268874] do_syscall_64+0xbf/0x430 [ 46.269610] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.270534] RIP: 0033:0x7fa8c016e5cd [ 46.271182] 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 [ 46.274232] RSP: 002b:00007ffd19591d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.275582] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa8c016e5cd [ 46.276830] RDX: 0000559e4d74be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.278066] RBP: 00007ffd19591d70 R08: 0000000000000000 R09: 00007ffd19591410 [ 46.279305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559e6866aad0 [ 46.280512] R13: 00007ffd195921a0 R14: 0000559e6866bbc0 R15: 0000559e6867c780 [ 46.281772] [ 46.282183] irq event stamp: 1797 [ 46.282796] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 46.284264] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 46.285734] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 46.287223] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 46.288644] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.027865] ------------[ cut here ]------------ [ 49.028752] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.030560] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.032081] Modules linked in: [ 49.032873] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.034670] Tainted: [W]=WARN [ 49.035172] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.036483] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.037271] 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 [ 49.040150] RSP: 0018:ffff888018fb7bc0 EFLAGS: 00010286 [ 49.041038] RAX: 0000000000000000 RBX: ffffed10031f6f78 RCX: ffffffff813a4050 [ 49.042195] RDX: ffff888017d0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.043356] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031f6f2f [ 49.044527] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.045693] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018fb7df8 [ 49.046853] FS: 00007f86d190f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.048143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.049102] CR2: 00007ffc038a5ef7 CR3: 000000000e19c000 CR4: 0000000000350ef0 [ 49.050263] Call Trace: [ 49.050712] [ 49.051086] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.051890] ? __create_object+0x59/0x80 [ 49.052599] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.053470] __vmalloc_noprof+0x59/0x60 [ 49.054129] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.054911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.055751] bpf_prog_alloc+0x39/0x200 [ 49.056426] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.057212] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.058033] do_seccomp+0x349/0x25e0 [ 49.058668] ? find_held_lock+0x2b/0x80 [ 49.059314] ? do_prlimit+0x310/0x610 [ 49.059978] ? __pfx_do_seccomp+0x10/0x10 [ 49.060685] ? do_raw_spin_unlock+0x53/0x220 [ 49.061426] ? _raw_spin_unlock+0x1e/0x40 [ 49.062095] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.062957] ? static_key_count+0x60/0x80 [ 49.063665] prctl_set_seccomp+0x4e/0x70 [ 49.064329] __do_sys_prctl+0xe6c/0x1d70 [ 49.065031] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.065809] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.066680] ? irqentry_exit+0xf3/0x650 [ 49.067329] do_syscall_64+0xbf/0x430 [ 49.067998] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.068845] RIP: 0033:0x7f86d1e015cd [ 49.069475] 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 [ 49.072359] RSP: 002b:00007ffc038a4630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.073621] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86d1e015cd [ 49.074748] RDX: 000055a524ee5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.076085] RBP: 00007ffc038a4690 R08: 0000000000000000 R09: 00007ffc038a3d30 [ 49.077332] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a54aa772b0 [ 49.078559] R13: 00007ffc038a4ac0 R14: 000055a54aa79d20 R15: 000055a54aa8b8d0 [ 49.079926] [ 49.080319] irq event stamp: 1905 [ 49.080894] hardirqs last enabled at (1915): [] __up_console_sem+0x78/0x80 [ 49.082257] hardirqs last disabled at (1924): [] __up_console_sem+0x5d/0x80 [ 49.083639] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 49.085049] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 49.086505] ---[ end trace 0000000000000000 ]--- [ 49.753026] ------------[ cut here ]------------ [ 49.753871] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.755662] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/255 [ 49.756970] Modules linked in: [ 49.757570] CPU: 1 UID: 104 PID: 255 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.759369] Tainted: [W]=WARN [ 49.759910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.761240] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.762085] 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 [ 49.764968] RSP: 0018:ffff88801b497bc0 EFLAGS: 00010286 [ 49.765868] RAX: 0000000000000000 RBX: ffffed1003692f78 RCX: ffffffff813a4050 [ 49.767037] RDX: ffff888016e59bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.768189] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003692f2f [ 49.769341] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.770525] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b497df8 [ 49.771693] FS: 00007f19506bc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.773005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.773980] CR2: 00007ffd1d1feef7 CR3: 000000000dad3000 CR4: 0000000000350ef0 [ 49.775159] Call Trace: [ 49.775614] [ 49.775989] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.776809] ? __create_object+0x59/0x80 [ 49.777548] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.778439] __vmalloc_noprof+0x59/0x60 [ 49.779094] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.779893] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.780728] bpf_prog_alloc+0x39/0x200 [ 49.781372] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.782251] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.783071] do_seccomp+0x349/0x25e0 [ 49.783719] ? find_held_lock+0x2b/0x80 [ 49.784411] ? do_prlimit+0x310/0x610 [ 49.785048] ? __pfx_do_seccomp+0x10/0x10 [ 49.785803] ? do_raw_spin_unlock+0x53/0x220 [ 49.786581] ? _raw_spin_unlock+0x1e/0x40 [ 49.787277] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.788174] ? static_key_count+0x60/0x80 [ 49.788925] prctl_set_seccomp+0x4e/0x70 [ 49.789691] __do_sys_prctl+0xe6c/0x1d70 [ 49.790412] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.791165] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.792061] ? irqentry_exit+0xf3/0x650 [ 49.792749] do_syscall_64+0xbf/0x430 [ 49.793332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.794248] RIP: 0033:0x7f1950bae5cd [ 49.794907] 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 [ 49.797900] RSP: 002b:00007ffd1d1fdd10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.799181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1950bae5cd [ 49.800362] RDX: 0000557f1c586e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.801569] RBP: 00007ffd1d1fdd70 R08: 0000000000000000 R09: 00007ffd1d1fd410 [ 49.802656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f438d0ad0 [ 49.803713] R13: 00007ffd1d1fe1a0 R14: 0000557f438d1bc0 R15: 0000557f438e2780 [ 49.804799] [ 49.805154] irq event stamp: 1731 [ 49.805768] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 49.806977] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 49.808172] softirqs last enabled at (1566): [] handle_softirqs+0x50c/0x770 [ 49.809396] softirqs last disabled at (1557): [] __irq_exit_rcu+0xc4/0x100 [ 49.810635] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:38821' (ECDSA) to the list of known hosts. 2025/11/18 17:28:58 fuzzer started 2025/11/18 17:28:58 dialing manager at localhost:34383 2025/11/18 17:28:58 checking machine... 2025/11/18 17:28:58 checking revisions... [ 50.604724] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:28:58 testing simple program... [ 50.671050] cgroup: Unknown subsys name 'net' [ 50.718758] cgroup: Unknown subsys name 'cpuset' [ 50.727594] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:28:57 Registers: info registers vcpu 0 RAX=00000000000000a0 RBX=00000000000000a0 RCX=ffffffff8259fcfa RDX=0000000000010177 RSI=ffffffff8259fd08 RDI=0000000000000007 RBP=ffff88800eba8000 RSP=ffff88800b2c72b0 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000010177 R11=0000000000000001 R12=0000000000010177 R13=ffffffff862e1aa0 R14=ffffffff862e1aa0 R15=0000000000000000 RIP=ffffffff8259fd0e RFL=00000093 [--S-A-C] 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f23ec4a2048 CR3=000000000d17f000 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=1f88df5382e6be8d6245f1528d5e94ee XMM02=0000000000303bb0eff9b2d0a8fce9cb XMM03=0000000000303c802c67c8bc2e329bc3 XMM04=481392f0a70efdb300000000000ae988 XMM05=f6f26eb69d5d053d000000000031eef0 XMM06=280a1d610a8a97f1000000000031ed78 XMM07=e042d86d42eb936e000000000030f2a0 XMM08=e25e8e31556f14ba0000000000303c80 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000080010058 RBX=ffff88800eba8000 RCX=ffffffff8259f946 RDX=0000000000010177 RSI=ffffffff8259f954 RDI=0000000000000007 RBP=ffff88800eba8000 RSP=ffff88806cf08db0 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000010177 R11=0000000000000001 R12=0000000000010177 R13=ffff88800eba8180 R14=ffff88800ebac8c8 R15=ffff88800eba8008 RIP=ffffffff8259f958 RFL=00000046 [---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 00007f86d190f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f86d1ec6618 CR3=000000001f394000 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