[ 45.836100] ------------[ cut here ]------------ [ 45.836666] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.837905] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 45.838889] Modules linked in: [ 45.839244] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.840876] Tainted: [W]=WARN [ 45.841208] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.842082] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.842621] 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 [ 45.844526] RSP: 0018:ffff8880175bfbc0 EFLAGS: 00010286 [ 45.845076] RAX: 0000000000000000 RBX: ffffed1002eb7f78 RCX: ffffffff813a4050 [ 45.845846] RDX: ffff888015e41bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.846621] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eb7f2f [ 45.847349] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.848118] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175bfdf8 [ 45.848881] FS: 00007f55c4295900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.849745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.850344] CR2: 00007f55c4787580 CR3: 000000000cb06000 CR4: 0000000000350ef0 [ 45.851117] Call Trace: [ 45.851419] [ 45.851672] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.852180] ? __create_object+0x59/0x80 [ 45.852643] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.853200] __vmalloc_noprof+0x59/0x60 [ 45.853648] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.854135] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.854684] bpf_prog_alloc+0x39/0x200 [ 45.855092] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.855648] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.856162] do_seccomp+0x349/0x25e0 [ 45.856590] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.857102] ? __pfx_do_seccomp+0x10/0x10 [ 45.857563] ? find_held_lock+0x2b/0x80 [ 45.857987] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.858565] ? static_key_count+0x60/0x80 [ 45.859015] prctl_set_seccomp+0x4e/0x70 [ 45.859474] __do_sys_prctl+0xe6c/0x1d70 [ 45.859915] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.860428] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.860969] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.861541] ? irqentry_exit+0xf3/0x650 [ 45.861967] do_syscall_64+0xbf/0x430 [ 45.862403] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.862936] RIP: 0033:0x7f55c47875cd [ 45.863321] 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 [ 45.865205] RSP: 002b:00007ffcb26230f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.866012] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55c47875cd [ 45.866765] RDX: 000055b152389e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.867520] RBP: 00007ffcb2623150 R08: 0000000000000000 R09: 00007ffcb26227f0 [ 45.868249] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b17d348ad0 [ 45.869003] R13: 00007ffcb2623580 R14: 000055b17d349bc0 R15: 000055b17d35a780 [ 45.869771] [ 45.870021] irq event stamp: 1723 [ 45.870402] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 45.871269] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 45.872170] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 45.873082] softirqs last disabled at (1649): [] __irq_exit_rcu+0xc4/0x100 [ 45.873980] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.237479] ------------[ cut here ]------------ [ 49.238362] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.240517] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 49.242078] Modules linked in: [ 49.242703] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.244685] Tainted: [W]=WARN [ 49.245319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.246980] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.248101] 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 [ 49.251704] RSP: 0018:ffff88800ec7fbc0 EFLAGS: 00010286 [ 49.253154] RAX: 0000000000000000 RBX: ffffed1001d8ff78 RCX: ffffffff813a4050 [ 49.254725] RDX: ffff888015e58000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.256164] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d8ff2f [ 49.257606] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.259050] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ec7fdf8 [ 49.260341] FS: 00007f62bde80900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.261796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.262863] CR2: 00007ffed5badef7 CR3: 000000001fbcd000 CR4: 0000000000350ef0 [ 49.264150] Call Trace: [ 49.264648] [ 49.265059] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.265941] ? __create_object+0x59/0x80 [ 49.266711] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.267677] __vmalloc_noprof+0x59/0x60 [ 49.268442] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.269275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.270193] bpf_prog_alloc+0x39/0x200 [ 49.270928] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.271872] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.272690] do_seccomp+0x349/0x25e0 [ 49.273247] ? find_held_lock+0x2b/0x80 [ 49.273876] ? do_prlimit+0x310/0x610 [ 49.274488] ? __pfx_do_seccomp+0x10/0x10 [ 49.275102] ? do_raw_spin_unlock+0x53/0x220 [ 49.275807] ? _raw_spin_unlock+0x1e/0x40 [ 49.276457] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.277219] ? static_key_count+0x60/0x80 [ 49.277875] prctl_set_seccomp+0x4e/0x70 [ 49.278500] __do_sys_prctl+0xe6c/0x1d70 [ 49.279109] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.279825] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.280618] ? irqentry_exit+0xf3/0x650 [ 49.281212] do_syscall_64+0xbf/0x430 [ 49.281813] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.282583] RIP: 0033:0x7f62be3725cd [ 49.283132] 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 [ 49.285755] RSP: 002b:00007ffed5bac320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.286867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62be3725cd [ 49.287924] RDX: 00005565b3c2fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.288972] RBP: 00007ffed5bac380 R08: 0000000000000000 R09: 00007ffed5baba20 [ 49.290027] R10: 0000000000000000 R11: 0000000000000246 R12: 00005565ce599bf0 [ 49.291079] R13: 00007ffed5bac7b0 R14: 00005565ce5a3380 R15: 00005565ce5ae460 [ 49.292158] [ 49.292538] irq event stamp: 1903 [ 49.293037] hardirqs last enabled at (1911): [] __up_console_sem+0x78/0x80 [ 49.294287] hardirqs last disabled at (1920): [] __up_console_sem+0x5d/0x80 [ 49.295537] softirqs last enabled at (1870): [] handle_softirqs+0x50c/0x770 [ 49.296822] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 49.298071] ---[ end trace 0000000000000000 ]--- [ 50.141094] ------------[ cut here ]------------ [ 50.142013] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.144085] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 50.145542] Modules linked in: [ 50.146131] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.148146] Tainted: [W]=WARN [ 50.148739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.150208] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.151128] 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 [ 50.154336] RSP: 0018:ffff8880169afbc0 EFLAGS: 00010286 [ 50.155331] RAX: 0000000000000000 RBX: ffffed1002d35f78 RCX: ffffffff813a4050 [ 50.156652] RDX: ffff8880176a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.157939] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d35f2f [ 50.159219] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.160518] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169afdf8 [ 50.161806] FS: 00007f6db6038900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.163272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.164347] CR2: 00007ffdbb407ef7 CR3: 000000002011e000 CR4: 0000000000350ef0 [ 50.165666] Call Trace: [ 50.166129] [ 50.166594] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.167477] ? __create_object+0x59/0x80 [ 50.168232] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.169218] __vmalloc_noprof+0x59/0x60 [ 50.169969] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.170844] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.171800] bpf_prog_alloc+0x39/0x200 [ 50.172537] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.173482] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.174339] do_seccomp+0x349/0x25e0 [ 50.175073] ? find_held_lock+0x2b/0x80 [ 50.175844] ? do_prlimit+0x310/0x610 [ 50.176595] ? __pfx_do_seccomp+0x10/0x10 [ 50.177342] ? do_raw_spin_unlock+0x53/0x220 [ 50.178200] ? _raw_spin_unlock+0x1e/0x40 [ 50.178989] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.179981] ? static_key_count+0x60/0x80 [ 50.180781] prctl_set_seccomp+0x4e/0x70 [ 50.181581] __do_sys_prctl+0xe6c/0x1d70 [ 50.182332] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.183186] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.184172] ? irqentry_exit+0xf3/0x650 [ 50.184949] do_syscall_64+0xbf/0x430 [ 50.185697] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.186664] RIP: 0033:0x7f6db652a5cd [ 50.187335] 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 [ 50.190556] RSP: 002b:00007ffdbb405a00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.191950] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6db652a5cd [ 50.193234] RDX: 000055cec3b1be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.194515] RBP: 00007ffdbb405a60 R08: 0000000000000000 R09: 00007ffdbb405100 [ 50.195810] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ceea5fcad0 [ 50.197086] R13: 00007ffdbb405e90 R14: 000055ceea5fdbc0 R15: 000055ceea60e780 [ 50.198407] [ 50.198839] irq event stamp: 1719 [ 50.199489] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 50.201019] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 50.202546] softirqs last enabled at (1518): [] handle_softirqs+0x50c/0x770 [ 50.204092] softirqs last disabled at (1513): [] __irq_exit_rcu+0xc4/0x100 [ 50.205626] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45230' (ECDSA) to the list of known hosts. 2025/11/17 12:09:37 fuzzer started 2025/11/17 12:09:38 dialing manager at localhost:37895 2025/11/17 12:09:38 checking machine... 2025/11/17 12:09:38 checking revisions... [ 51.114855] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:09:38 testing simple program... [ 51.200200] cgroup: Unknown subsys name 'net' [ 51.245919] cgroup: Unknown subsys name 'cpuset' [ 51.263797] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:09:37 Registers: info registers vcpu 0 RAX=ffff88801a099be8 RBX=0000000000000000 RCX=ffffffff8152d723 RDX=ffff88801a099a30 RSI=0000000000000000 RDI=ffff88801a09a000 RBP=ffff88801a09a000 RSP=ffff88806ce08dc8 R8 =0000000000000001 R9 =ffffed100d9c11aa R10=0000000000000003 R11=0000000000000001 R12=ffff88800a4393e0 R13=0000000000000246 R14=ffff88801a09a000 R15=ffff888009462280 RIP=ffffffff81b61984 RFL=00000082 [--S----] 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 00007f62bde80900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffed5ba6000 CR3=000000001fbcf000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000249dd 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=00000206 [-----P-] 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 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f330e6f8000 CR3=00000000175f0000 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=eb3fa778bab800947c457d1bf99ba6bc XMM02=2c67c8bc2e329bc30000000000303e30 XMM03=fb795ef6d65770560000000000310e10 XMM04=ac104bf1b12b103c00000000000ae988 XMM05=af6319bc489badcf00000000003217f8 XMM06=8fede82a5ad58cbe000000000031fdc0 XMM07=e042d86d42eb936e0000000000311850 XMM08=32758a040743bd9b0000000000303e90 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000