[ 39.239941] ------------[ cut here ]------------ [ 39.240894] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.242917] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.244350] Modules linked in: [ 39.244969] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.246953] Tainted: [W]=WARN [ 39.247531] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.248997] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.249903] 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 [ 39.253055] RSP: 0018:ffff888019c87bc0 EFLAGS: 00010286 [ 39.254024] RAX: 0000000000000000 RBX: ffffed1003390f78 RCX: ffffffff813a4050 [ 39.255319] RDX: ffff888016273780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.256590] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003390f2f [ 39.257863] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.259142] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c87df8 [ 39.260420] FS: 00007fcab7c39900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.261862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.262928] CR2: 00007fcab819f4a6 CR3: 000000000b750000 CR4: 0000000000350ef0 [ 39.264216] Call Trace: [ 39.264724] [ 39.265133] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.266027] ? __create_object+0x59/0x80 [ 39.266819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.267777] __vmalloc_noprof+0x59/0x60 [ 39.268548] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.269370] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.270311] bpf_prog_alloc+0x39/0x200 [ 39.271041] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.271965] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.272859] do_seccomp+0x349/0x25e0 [ 39.273568] ? find_held_lock+0x2b/0x80 [ 39.274302] ? do_prlimit+0x310/0x610 [ 39.275050] ? __pfx_do_seccomp+0x10/0x10 [ 39.275849] ? do_raw_spin_unlock+0x53/0x220 [ 39.276689] ? _raw_spin_unlock+0x1e/0x40 [ 39.277426] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.278400] ? static_key_count+0x60/0x80 [ 39.279198] prctl_set_seccomp+0x4e/0x70 [ 39.279976] __do_sys_prctl+0xe6c/0x1d70 [ 39.280750] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.281608] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.282582] ? irqentry_exit+0xf3/0x650 [ 39.283306] do_syscall_64+0xbf/0x430 [ 39.284058] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.285018] RIP: 0033:0x7fcab812b5cd [ 39.285742] 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 [ 39.288913] RSP: 002b:00007ffc4de71160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.290304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcab812b5cd [ 39.291590] RDX: 000055f797426e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.292869] RBP: 00007ffc4de711c0 R08: 0000000000000000 R09: 00007ffc4de70860 [ 39.294170] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7bec62ad0 [ 39.295434] R13: 00007ffc4de715f0 R14: 000055f7bec63bc0 R15: 000055f7bec74780 [ 39.296729] [ 39.297145] irq event stamp: 1783 [ 39.297791] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 39.299317] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 39.300840] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 39.302379] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 39.303647] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.422696] ------------[ cut here ]------------ [ 42.423688] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.425552] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.426824] Modules linked in: [ 42.427345] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.429021] Tainted: [W]=WARN [ 42.429547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.430811] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.431593] 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 [ 42.434325] RSP: 0018:ffff888019e67bc0 EFLAGS: 00010286 [ 42.435156] RAX: 0000000000000000 RBX: ffffed10033ccf78 RCX: ffffffff813a4050 [ 42.436230] RDX: ffff888016263780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.437314] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033ccf2f [ 42.438430] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.439539] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e67df8 [ 42.440655] FS: 00007f88409e1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.442221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.443158] CR2: 00007f8840ed3580 CR3: 00000000204de000 CR4: 0000000000350ef0 [ 42.444426] Call Trace: [ 42.444841] [ 42.445257] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.446064] ? __create_object+0x59/0x80 [ 42.446737] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.447581] __vmalloc_noprof+0x59/0x60 [ 42.448216] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.448954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.449758] bpf_prog_alloc+0x39/0x200 [ 42.450384] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.451187] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.451951] do_seccomp+0x349/0x25e0 [ 42.452569] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.453300] ? __pfx_do_seccomp+0x10/0x10 [ 42.453953] ? find_held_lock+0x2b/0x80 [ 42.454747] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.455594] ? static_key_count+0x60/0x80 [ 42.456255] prctl_set_seccomp+0x4e/0x70 [ 42.456896] __do_sys_prctl+0xe6c/0x1d70 [ 42.457597] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.458342] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.459383] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.460394] ? irqentry_exit+0xf3/0x650 [ 42.461201] do_syscall_64+0xbf/0x430 [ 42.461875] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.462714] RIP: 0033:0x7f8840ed35cd [ 42.463284] 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 [ 42.465964] RSP: 002b:00007fff86e60a30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.467138] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8840ed35cd [ 42.468229] RDX: 000055a7d82fee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.469280] RBP: 00007fff86e60a90 R08: 0000000000000000 R09: 00007fff86e60130 [ 42.470374] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7e0d49ad0 [ 42.471467] R13: 00007fff86e60ec0 R14: 000055a7e0d4abc0 R15: 000055a7e0d5b780 [ 42.472579] [ 42.472940] irq event stamp: 1681 [ 42.473499] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 42.474821] hardirqs last disabled at (1700): [] __up_console_sem+0x5d/0x80 [ 42.476120] softirqs last enabled at (1670): [] handle_softirqs+0x50c/0x770 [ 42.477427] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 42.478750] ---[ end trace 0000000000000000 ]--- [ 43.253504] ------------[ cut here ]------------ [ 43.254392] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.256417] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.257911] Modules linked in: [ 43.258558] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.260745] Tainted: [W]=WARN [ 43.261300] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.262848] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.263766] 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 [ 43.266938] RSP: 0018:ffff888017277bc0 EFLAGS: 00010286 [ 43.267905] RAX: 0000000000000000 RBX: ffffed1002e4ef78 RCX: ffffffff813a4050 [ 43.269186] RDX: ffff888017bdb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.270478] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e4ef2f [ 43.271755] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.273030] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017277df8 [ 43.274310] FS: 00007f91f6c15900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.275731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.276785] CR2: 00007f91f7107580 CR3: 000000000b730000 CR4: 0000000000350ef0 [ 43.278053] Call Trace: [ 43.278573] [ 43.278981] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.279876] ? __create_object+0x59/0x80 [ 43.280661] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.281625] __vmalloc_noprof+0x59/0x60 [ 43.282338] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.283208] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.284139] bpf_prog_alloc+0x39/0x200 [ 43.284877] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.285791] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.286705] do_seccomp+0x349/0x25e0 [ 43.287371] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.288282] ? __pfx_do_seccomp+0x10/0x10 [ 43.289073] ? find_held_lock+0x2b/0x80 [ 43.289836] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.290808] ? static_key_count+0x60/0x80 [ 43.291619] prctl_set_seccomp+0x4e/0x70 [ 43.292347] __do_sys_prctl+0xe6c/0x1d70 [ 43.293125] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.293972] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.294952] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.295945] ? irqentry_exit+0xf3/0x650 [ 43.296721] do_syscall_64+0xbf/0x430 [ 43.297405] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.298353] RIP: 0033:0x7f91f71075cd [ 43.299053] 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 [ 43.302227] RSP: 002b:00007fffa10d18a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.303589] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f91f71075cd [ 43.304867] RDX: 00005584c1ccee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.306136] RBP: 00007fffa10d1900 R08: 0000000000000000 R09: 00007fffa10d0fa0 [ 43.307425] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584f7101ad0 [ 43.308729] R13: 00007fffa10d1d30 R14: 00005584f7102bc0 R15: 00005584f7113780 [ 43.310016] [ 43.310445] irq event stamp: 1877 [ 43.311079] hardirqs last enabled at (1887): [] __up_console_sem+0x78/0x80 [ 43.312603] hardirqs last disabled at (1896): [] __up_console_sem+0x5d/0x80 [ 43.314108] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 43.315523] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 43.316770] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47798' (ECDSA) to the list of known hosts. 2025/11/17 21:03:48 fuzzer started 2025/11/17 21:03:49 dialing manager at localhost:37895 2025/11/17 21:03:49 checking machine... 2025/11/17 21:03:49 checking revisions... [ 44.211840] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:03:49 testing simple program... [ 44.303633] cgroup: Unknown subsys name 'net' [ 44.439353] cgroup: Unknown subsys name 'cpuset' [ 44.523401] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:03:48 Registers: info registers vcpu 0 RAX=0000000000049e15 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007faa4d13b000 CR3=000000000dce5000 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=e2d38e0244537095064ad7a6502b3d26 XMM02=00000000003018d0eff9b2d0a8fce9cb XMM03=00000000003019a02c67c8bc2e329bc3 XMM04=5afa8eaa416446c100000000000ae988 XMM05=0221a2ee6144e917000000000031f2c0 XMM06=07c8bb74b6c04a44000000000031e158 XMM07=fb795ef6d6577056000000000030d7b0 XMM08=2c67c8bc2e329bc30000000000301940 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff88800f268000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff88800f268a58 RDI=ffff88800f268a58 RBP=ffff88800f268a58 RSP=ffff888013be76d8 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800f268a58 R13=ffffffffffffffff R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815228f3 RFL=00000007 [-----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 00007f88409e1900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8840f98618 CR3=0000000020589000 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