[ 39.281608] ------------[ cut here ]------------ [ 39.282448] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.284577] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.285987] Modules linked in: [ 39.286608] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.289993] Tainted: [W]=WARN [ 39.290668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.292150] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.293061] 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 [ 39.296229] RSP: 0018:ffff888019a0fbc0 EFLAGS: 00010286 [ 39.297194] RAX: 0000000000000000 RBX: ffffed1003341f78 RCX: ffffffff813a4050 [ 39.298451] RDX: ffff88801c033780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.299754] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003341f2f [ 39.301029] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.302288] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a0fdf8 [ 39.303552] FS: 00007f3c214be900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.304990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.306039] CR2: 00007ffefb2b3ef7 CR3: 000000000d5c1000 CR4: 0000000000350ef0 [ 39.307283] Call Trace: [ 39.307827] [ 39.308230] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.309110] ? __create_object+0x59/0x80 [ 39.309876] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.310833] __vmalloc_noprof+0x59/0x60 [ 39.311586] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.312435] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.313353] bpf_prog_alloc+0x39/0x200 [ 39.314080] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.315004] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.315939] do_seccomp+0x349/0x25e0 [ 39.316654] ? find_held_lock+0x2b/0x80 [ 39.317361] ? do_prlimit+0x310/0x610 [ 39.318099] ? __pfx_do_seccomp+0x10/0x10 [ 39.318883] ? do_raw_spin_unlock+0x53/0x220 [ 39.319739] ? _raw_spin_unlock+0x1e/0x40 [ 39.320555] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.321453] ? static_key_count+0x60/0x80 [ 39.322250] prctl_set_seccomp+0x4e/0x70 [ 39.323014] __do_sys_prctl+0xe6c/0x1d70 [ 39.323815] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.324675] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.325626] ? irqentry_exit+0xf3/0x650 [ 39.326339] do_syscall_64+0xbf/0x430 [ 39.327067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.328041] RIP: 0033:0x7f3c219b05cd [ 39.328727] 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 [ 39.331861] RSP: 002b:00007ffefb2b16f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.333206] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c219b05cd [ 39.334455] RDX: 000055955bc8ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.335762] RBP: 00007ffefb2b1750 R08: 0000000000000000 R09: 00007ffefb2b0df0 [ 39.337043] R10: 0000000000000000 R11: 0000000000000246 R12: 000055956d9032b0 [ 39.338289] R13: 00007ffefb2b1b80 R14: 000055956d905d20 R15: 000055956d9178d0 [ 39.339564] [ 39.340013] irq event stamp: 2191 [ 39.340651] hardirqs last enabled at (2201): [] __up_console_sem+0x78/0x80 [ 39.342152] hardirqs last disabled at (2210): [] __up_console_sem+0x5d/0x80 [ 39.343639] softirqs last enabled at (2054): [] handle_softirqs+0x50c/0x770 [ 39.345194] softirqs last disabled at (2049): [] __irq_exit_rcu+0xc4/0x100 [ 39.346682] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.014611] ------------[ cut here ]------------ [ 42.015560] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.017680] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.019198] Modules linked in: [ 42.019897] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.021959] Tainted: [W]=WARN [ 42.022609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.024154] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.025130] 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 [ 42.028434] RSP: 0018:ffff888016be7bc0 EFLAGS: 00010286 [ 42.029443] RAX: 0000000000000000 RBX: ffffed1002d7cf78 RCX: ffffffff813a4050 [ 42.030811] RDX: ffff8880168eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.032158] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7cf2f [ 42.033506] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.034848] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016be7df8 [ 42.036198] FS: 00007f49131a3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.037705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.038801] CR2: 00007f4913695580 CR3: 0000000020e07000 CR4: 0000000000350ef0 [ 42.040154] Call Trace: [ 42.040708] [ 42.041144] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.042087] ? __create_object+0x59/0x80 [ 42.042910] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.043942] __vmalloc_noprof+0x59/0x60 [ 42.044755] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.045685] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.046673] bpf_prog_alloc+0x39/0x200 [ 42.047398] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.048401] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.049355] do_seccomp+0x349/0x25e0 [ 42.050100] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.051054] ? __pfx_do_seccomp+0x10/0x10 [ 42.051919] ? find_held_lock+0x2b/0x80 [ 42.052731] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.053752] ? static_key_count+0x60/0x80 [ 42.054597] prctl_set_seccomp+0x4e/0x70 [ 42.055352] __do_sys_prctl+0xe6c/0x1d70 [ 42.056192] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.057093] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.058110] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.059130] ? irqentry_exit+0xf3/0x650 [ 42.059950] do_syscall_64+0xbf/0x430 [ 42.060731] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.061741] RIP: 0033:0x7f49136955cd [ 42.062433] 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 [ 42.065765] RSP: 002b:00007ffe2de53880 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.067208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f49136955cd [ 42.068570] RDX: 00005645f6c6de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.069918] RBP: 00007ffe2de538e0 R08: 0000000000000000 R09: 00007ffe2de52f80 [ 42.071247] R10: 0000000000000000 R11: 0000000000000246 R12: 000056461e2b4ad0 [ 42.072614] R13: 00007ffe2de53d10 R14: 000056461e2b5bc0 R15: 000056461e2c6780 [ 42.073994] [ 42.074442] irq event stamp: 2067 [ 42.075124] hardirqs last enabled at (2077): [] __up_console_sem+0x78/0x80 [ 42.076527] hardirqs last disabled at (2086): [] __up_console_sem+0x5d/0x80 [ 42.077438] softirqs last enabled at (2016): [] handle_softirqs+0x50c/0x770 [ 42.078406] softirqs last disabled at (2011): [] __irq_exit_rcu+0xc4/0x100 [ 42.079366] ---[ end trace 0000000000000000 ]--- [ 42.714112] ------------[ cut here ]------------ [ 42.715011] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.716986] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.718397] Modules linked in: [ 42.718999] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.720968] Tainted: [W]=WARN [ 42.721556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.723224] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.724191] 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 [ 42.727285] RSP: 0018:ffff888019f3fbc0 EFLAGS: 00010286 [ 42.728251] RAX: 0000000000000000 RBX: ffffed10033e7f78 RCX: ffffffff813a4050 [ 42.729513] RDX: ffff888013d91bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.730800] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033e7f2f [ 42.732108] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.733368] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f3fdf8 [ 42.734627] FS: 00007fa4ea08a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.736039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.737076] CR2: 00007ffce7321ef7 CR3: 0000000013ab1000 CR4: 0000000000350ef0 [ 42.738332] Call Trace: [ 42.738821] [ 42.739230] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.740123] ? __create_object+0x59/0x80 [ 42.740891] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.741849] __vmalloc_noprof+0x59/0x60 [ 42.742602] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.743418] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.744340] bpf_prog_alloc+0x39/0x200 [ 42.745065] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.745972] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.746862] do_seccomp+0x349/0x25e0 [ 42.747569] ? find_held_lock+0x2b/0x80 [ 42.748290] ? do_prlimit+0x310/0x610 [ 42.749026] ? __pfx_do_seccomp+0x10/0x10 [ 42.749798] ? do_raw_spin_unlock+0x53/0x220 [ 42.750636] ? _raw_spin_unlock+0x1e/0x40 [ 42.751363] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.752315] ? static_key_count+0x60/0x80 [ 42.753108] prctl_set_seccomp+0x4e/0x70 [ 42.753878] __do_sys_prctl+0xe6c/0x1d70 [ 42.754658] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.755467] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.756429] ? irqentry_exit+0xf3/0x650 [ 42.757176] do_syscall_64+0xbf/0x430 [ 42.757904] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.758852] RIP: 0033:0x7fa4ea57c5cd [ 42.759545] 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 [ 42.762650] RSP: 002b:00007ffce731f390 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.763993] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4ea57c5cd [ 42.765238] RDX: 000055fa193f0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.766515] RBP: 00007ffce731f3f0 R08: 0000000000000000 R09: 00007ffce731ea90 [ 42.767787] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa4523f240 [ 42.769047] R13: 00007ffce731f820 R14: 000055fa45248380 R15: 000055fa45253540 [ 42.770335] [ 42.770817] irq event stamp: 1811 [ 42.771434] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 42.772899] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 42.774113] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 42.775346] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 42.776583] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25503' (ECDSA) to the list of known hosts. 2025/11/17 21:49:05 fuzzer started 2025/11/17 21:49:06 dialing manager at localhost:37895 2025/11/17 21:49:06 checking machine... 2025/11/17 21:49:06 checking revisions... [ 43.612466] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:49:06 testing simple program... [ 43.678409] cgroup: Unknown subsys name 'net' [ 43.729553] cgroup: Unknown subsys name 'cpuset' [ 43.739672] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:49:05 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffff8880168e8000 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff8880168e8a80 RDI=ffff8880168e8a58 RBP=ffff8880168e8a58 RSP=ffff888019a0f310 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880168e8a80 R13=6a5c580aceac53cb R14=0000000000000000 R15=0000000000000001 RIP=ffffffff81527a56 RFL=00000002 [-------] 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 00007f49131a3900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f491315c008 CR3=0000000020f04000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000183c7 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff3e989f468 CR3=000000000dba7000 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=8e14760dd19b03bfe644bfb54f89ef67 XMM02=ec2efd57dc4c00df00000000003004d0 XMM03=ccdbf96c01663f1000000000003005a0 XMM04=cdd8d0230312a08100000000000ae988 XMM05=fef3b995327fe4fd000000000031eb48 XMM06=474038aa6c007e1f000000000031e4e8 XMM07=e042d86d42eb936e000000000030def0 XMM08=ccdbf96c01663f1000000000003005a0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000