[ 38.950029] ------------[ cut here ]------------ [ 38.950957] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.953017] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.954473] Modules linked in: [ 38.955070] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.957257] Tainted: [W]=WARN [ 38.957925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.959391] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.960296] 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 [ 38.963430] RSP: 0018:ffff888019ed7bc0 EFLAGS: 00010286 [ 38.964417] RAX: 0000000000000000 RBX: ffffed10033daf78 RCX: ffffffff813a4050 [ 38.965726] RDX: ffff888015823780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.967034] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033daf2f [ 38.968315] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.969603] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ed7df8 [ 38.970894] FS: 00007efc0e09e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.972332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.973411] CR2: 00007fffa277fef7 CR3: 000000000d512000 CR4: 0000000000350ef0 [ 38.974728] Call Trace: [ 38.975195] [ 38.975648] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.976553] ? __create_object+0x59/0x80 [ 38.977315] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.978278] __vmalloc_noprof+0x59/0x60 [ 38.979030] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.979914] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.980845] bpf_prog_alloc+0x39/0x200 [ 38.981596] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.982520] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.983375] do_seccomp+0x349/0x25e0 [ 38.984089] ? find_held_lock+0x2b/0x80 [ 38.984864] ? do_prlimit+0x310/0x610 [ 38.985602] ? __pfx_do_seccomp+0x10/0x10 [ 38.986333] ? do_raw_spin_unlock+0x53/0x220 [ 38.987175] ? _raw_spin_unlock+0x1e/0x40 [ 38.987954] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.988912] ? static_key_count+0x60/0x80 [ 38.989712] prctl_set_seccomp+0x4e/0x70 [ 38.990496] __do_sys_prctl+0xe6c/0x1d70 [ 38.991248] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.992123] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.993122] ? irqentry_exit+0xf3/0x650 [ 38.993897] do_syscall_64+0xbf/0x430 [ 38.994652] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.995626] RIP: 0033:0x7efc0e5905cd [ 38.996299] 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 [ 38.999551] RSP: 002b:00007fffa277ee70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.000962] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc0e5905cd [ 39.002276] RDX: 00005601f2e80e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.003591] RBP: 00007fffa277eed0 R08: 0000000000000000 R09: 00007fffa277e570 [ 39.004914] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560227f36ad0 [ 39.006120] R13: 00007fffa277f300 R14: 0000560227f37bc0 R15: 0000560227f48780 [ 39.007638] [ 39.008006] irq event stamp: 1799 [ 39.008568] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.009882] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.011184] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 39.012507] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 39.013820] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.317676] ------------[ cut here ]------------ [ 42.318614] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.320673] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.322151] Modules linked in: [ 42.322766] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.324981] Tainted: [W]=WARN [ 42.325643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.327117] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.328026] 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 [ 42.331201] RSP: 0018:ffff8880168afbc0 EFLAGS: 00010286 [ 42.332180] RAX: 0000000000000000 RBX: ffffed1002d15f78 RCX: ffffffff813a4050 [ 42.333497] RDX: ffff888015b63780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.334815] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d15f2f [ 42.336099] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.337390] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168afdf8 [ 42.338674] FS: 00007fe39f5f9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.340134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.341220] CR2: 00007fe39fb5f4a6 CR3: 000000001ef96000 CR4: 0000000000350ef0 [ 42.342487] Call Trace: [ 42.342954] [ 42.343369] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.344280] ? __create_object+0x59/0x80 [ 42.345061] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.346040] __vmalloc_noprof+0x59/0x60 [ 42.346800] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.347673] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.348610] bpf_prog_alloc+0x39/0x200 [ 42.349335] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.350269] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.351182] do_seccomp+0x349/0x25e0 [ 42.351891] ? find_held_lock+0x2b/0x80 [ 42.352641] ? do_prlimit+0x310/0x610 [ 42.353352] ? __pfx_do_seccomp+0x10/0x10 [ 42.354151] ? do_raw_spin_unlock+0x53/0x220 [ 42.354967] ? _raw_spin_unlock+0x1e/0x40 [ 42.355746] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.356695] ? static_key_count+0x60/0x80 [ 42.357496] prctl_set_seccomp+0x4e/0x70 [ 42.358225] __do_sys_prctl+0xe6c/0x1d70 [ 42.359014] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.359862] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.360840] ? irqentry_exit+0xf3/0x650 [ 42.361613] do_syscall_64+0xbf/0x430 [ 42.362297] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.363252] RIP: 0033:0x7fe39faeb5cd [ 42.363966] 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 [ 42.367173] RSP: 002b:00007ffd5f540fa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.368553] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe39faeb5cd [ 42.369848] RDX: 0000564a25383e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.371118] RBP: 00007ffd5f541000 R08: 0000000000000000 R09: 00007ffd5f5406a0 [ 42.372410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a54812ad0 [ 42.373726] R13: 00007ffd5f541430 R14: 0000564a54813bc0 R15: 0000564a54824780 [ 42.375018] [ 42.375468] irq event stamp: 1793 [ 42.376073] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.377614] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.379130] softirqs last enabled at (1384): [] handle_softirqs+0x50c/0x770 [ 42.380688] softirqs last disabled at (1369): [] __irq_exit_rcu+0xc4/0x100 [ 42.382248] ---[ end trace 0000000000000000 ]--- [ 43.336368] ------------[ cut here ]------------ [ 43.337135] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.338787] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 43.339966] Modules linked in: [ 43.340473] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.342088] Tainted: [W]=WARN [ 43.342564] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.343765] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.344506] 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 [ 43.347688] RSP: 0018:ffff88800a8cfbc0 EFLAGS: 00010286 [ 43.348496] RAX: 0000000000000000 RBX: ffffed1001519f78 RCX: ffffffff813a4050 [ 43.349558] RDX: ffff888019988000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.350598] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001519f2f [ 43.351636] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.352667] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a8cfdf8 [ 43.353724] FS: 00007fa4a62cd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.354900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.355763] CR2: 00007ffd1797eef7 CR3: 000000000c88e000 CR4: 0000000000350ef0 [ 43.356810] Call Trace: [ 43.357189] [ 43.357554] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.358249] ? __create_object+0x59/0x80 [ 43.358884] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.359660] __vmalloc_noprof+0x59/0x60 [ 43.360242] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.360948] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.361696] bpf_prog_alloc+0x39/0x200 [ 43.362268] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.363013] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.364333] do_seccomp+0x349/0x25e0 [ 43.364927] ? find_held_lock+0x2b/0x80 [ 43.365547] ? do_prlimit+0x310/0x610 [ 43.366123] ? __pfx_do_seccomp+0x10/0x10 [ 43.366759] ? do_raw_spin_unlock+0x53/0x220 [ 43.367426] ? _raw_spin_unlock+0x1e/0x40 [ 43.368075] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.368873] ? static_key_count+0x60/0x80 [ 43.369529] prctl_set_seccomp+0x4e/0x70 [ 43.370127] __do_sys_prctl+0xe6c/0x1d70 [ 43.370768] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.371430] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.372223] ? irqentry_exit+0xf3/0x650 [ 43.372851] do_syscall_64+0xbf/0x430 [ 43.373421] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.374197] RIP: 0033:0x7fa4a67bf5cd [ 43.374768] 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 [ 43.377375] RSP: 002b:00007ffd1797cee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.378484] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4a67bf5cd [ 43.379523] RDX: 000055968abfbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.380565] RBP: 00007ffd1797cf40 R08: 0000000000000000 R09: 00007ffd1797c5e0 [ 43.381617] R10: 0000000000000000 R11: 0000000000000246 R12: 00005596c317f2b0 [ 43.382668] R13: 00007ffd1797d370 R14: 00005596c3181d20 R15: 00005596c31938d0 [ 43.383726] [ 43.384071] irq event stamp: 1839 [ 43.384598] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 43.385847] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 43.387083] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 43.388352] softirqs last disabled at (1509): [] __irq_exit_rcu+0xc4/0x100 [ 43.389601] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15907' (ECDSA) to the list of known hosts. 2025/11/17 21:53:06 fuzzer started 2025/11/17 21:53:07 dialing manager at localhost:37895 2025/11/17 21:53:07 checking machine... 2025/11/17 21:53:07 checking revisions... [ 44.263515] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:53:07 testing simple program... [ 44.354761] cgroup: Unknown subsys name 'net' [ 44.406357] cgroup: Unknown subsys name 'cpuset' [ 44.422125] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:53:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff88806ce37358 RDI=ffff88800f26dd98 RBP=ffff88806ce37358 RSP=ffff88806ce08ce0 R8 =00000000ffffffff R9 =fffffbfff0cc9eca R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88800f26dd98 R14=00000000ffffffff R15=ffff88800f26dd98 RIP=ffffffff84c71ffd 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 00007fe3640c4700 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=00007f87cc7522f0 CR3=000000000cd53000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a30313538352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303135 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000010001 RBX=0000000000000000 RCX=ffffffff8162e2e7 RDX=ffff888015820000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88806cf28e58 RSP=ffff88806cf08e20 R8 =0000000000000001 R9 =ffffed100d9e11b7 R10=0000000000000000 R11=0000000000000001 R12=ffff88806cf28500 R13=ffff88806cf28580 R14=0000000000000001 R15=dffffc0000000000 RIP=ffffffff81751c70 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 00007fe39f5f9900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd5f53b000 CR3=000000001ef64000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000