[ 39.359441] ------------[ cut here ]------------ [ 39.360326] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.362643] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.364196] Modules linked in: [ 39.364844] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.366870] Tainted: [W]=WARN [ 39.367474] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.368968] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.369898] 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 [ 39.373091] RSP: 0018:ffff888018d3fbc0 EFLAGS: 00010286 [ 39.374073] RAX: 0000000000000000 RBX: ffffed10031a7f78 RCX: ffffffff813a4050 [ 39.375366] RDX: ffff8880159cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.376680] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031a7f2f [ 39.377985] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.379274] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018d3fdf8 [ 39.380659] FS: 00007efd1d628900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.382123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.383194] CR2: 00007fff6aaf7ef7 CR3: 000000000e28c000 CR4: 0000000000350ef0 [ 39.384518] Call Trace: [ 39.384991] [ 39.385457] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.386323] ? __create_object+0x59/0x80 [ 39.387132] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.388118] __vmalloc_noprof+0x59/0x60 [ 39.388901] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.389783] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.390730] bpf_prog_alloc+0x39/0x200 [ 39.391487] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.392453] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.393324] do_seccomp+0x349/0x25e0 [ 39.394062] ? find_held_lock+0x2b/0x80 [ 39.394825] ? do_prlimit+0x310/0x610 [ 39.395580] ? __pfx_do_seccomp+0x10/0x10 [ 39.396335] ? do_raw_spin_unlock+0x53/0x220 [ 39.397186] ? _raw_spin_unlock+0x1e/0x40 [ 39.397989] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.398967] ? static_key_count+0x60/0x80 [ 39.399791] prctl_set_seccomp+0x4e/0x70 [ 39.400592] __do_sys_prctl+0xe6c/0x1d70 [ 39.401356] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.402235] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.403217] ? irqentry_exit+0xf3/0x650 [ 39.403993] do_syscall_64+0xbf/0x430 [ 39.404759] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.405726] RIP: 0033:0x7efd1db1a5cd [ 39.406439] 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 [ 39.409648] RSP: 002b:00007fff6aaf6110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.411029] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efd1db1a5cd [ 39.412338] RDX: 00005615c5b02e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.413658] RBP: 00007fff6aaf6170 R08: 0000000000000000 R09: 00007fff6aaf5810 [ 39.414962] R10: 0000000000000000 R11: 0000000000000246 R12: 00005615d36372b0 [ 39.416258] R13: 00007fff6aaf65a0 R14: 00005615d3639d20 R15: 00005615d364b8d0 [ 39.417586] [ 39.418018] irq event stamp: 1833 [ 39.418677] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 39.420238] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 39.421792] softirqs last enabled at (1456): [] handle_softirqs+0x50c/0x770 [ 39.423391] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 39.424952] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.132623] ------------[ cut here ]------------ [ 42.133568] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.135610] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.137092] Modules linked in: [ 42.137738] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.139812] Tainted: [W]=WARN [ 42.140447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.141959] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.142897] 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 [ 42.146163] RSP: 0018:ffff888013e9fbc0 EFLAGS: 00010286 [ 42.147168] RAX: 0000000000000000 RBX: ffffed10027d3f78 RCX: ffffffff813a4050 [ 42.148504] RDX: ffff888015e45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.149823] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027d3f2f [ 42.151135] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.152458] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013e9fdf8 [ 42.153778] FS: 00007f8d11975900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.155255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.156346] CR2: 00007f8d11e67580 CR3: 0000000020117000 CR4: 0000000000350ef0 [ 42.157700] Call Trace: [ 42.158171] [ 42.158643] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.159555] ? __create_object+0x59/0x80 [ 42.160313] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.161315] __vmalloc_noprof+0x59/0x60 [ 42.162091] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.162981] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.163943] bpf_prog_alloc+0x39/0x200 [ 42.164712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.165674] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.166606] do_seccomp+0x349/0x25e0 [ 42.167296] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.168219] ? __pfx_do_seccomp+0x10/0x10 [ 42.169048] ? find_held_lock+0x2b/0x80 [ 42.169832] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.170827] ? static_key_count+0x60/0x80 [ 42.171654] prctl_set_seccomp+0x4e/0x70 [ 42.172462] __do_sys_prctl+0xe6c/0x1d70 [ 42.173228] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.174109] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.175105] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.176106] ? irqentry_exit+0xf3/0x650 [ 42.176903] do_syscall_64+0xbf/0x430 [ 42.177660] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.178645] RIP: 0033:0x7f8d11e675cd [ 42.179325] 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 [ 42.182612] RSP: 002b:00007ffde2a23320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.184018] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d11e675cd [ 42.185358] RDX: 000055f305c0ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.186688] RBP: 00007ffde2a23380 R08: 0000000000000000 R09: 00007ffde2a22a20 [ 42.188018] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f34222dad0 [ 42.189349] R13: 00007ffde2a237b0 R14: 000055f34222ebc0 R15: 000055f34223f780 [ 42.190713] [ 42.191145] irq event stamp: 1783 [ 42.191811] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 42.193338] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 42.194847] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 42.196365] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 42.197804] ---[ end trace 0000000000000000 ]--- [ 43.011238] ------------[ cut here ]------------ [ 43.012175] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.014238] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.015921] Modules linked in: [ 43.016642] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.018626] Tainted: [W]=WARN [ 43.019180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.020655] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.021565] 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 [ 43.024753] RSP: 0018:ffff88801b067bc0 EFLAGS: 00010286 [ 43.025727] RAX: 0000000000000000 RBX: ffffed100360cf78 RCX: ffffffff813a4050 [ 43.027011] RDX: ffff888016908000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.028403] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100360cf2f [ 43.029876] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.031158] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b067df8 [ 43.032441] FS: 00007fbaf74f0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.033940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.035284] CR2: 00007ffd23843ef7 CR3: 000000000d88d000 CR4: 0000000000350ef0 [ 43.036776] Call Trace: [ 43.037247] [ 43.037696] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.038630] ? __create_object+0x59/0x80 [ 43.039425] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.040352] __vmalloc_noprof+0x59/0x60 [ 43.041279] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.042164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.043121] bpf_prog_alloc+0x39/0x200 [ 43.043894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.044847] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.045764] do_seccomp+0x349/0x25e0 [ 43.046500] ? find_held_lock+0x2b/0x80 [ 43.047224] ? do_prlimit+0x310/0x610 [ 43.047985] ? __pfx_do_seccomp+0x10/0x10 [ 43.048807] ? do_raw_spin_unlock+0x53/0x220 [ 43.049661] ? _raw_spin_unlock+0x1e/0x40 [ 43.050456] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.051418] ? static_key_count+0x60/0x80 [ 43.052184] prctl_set_seccomp+0x4e/0x70 [ 43.053000] __do_sys_prctl+0xe6c/0x1d70 [ 43.053926] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.054921] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.056039] ? irqentry_exit+0xf3/0x650 [ 43.056947] do_syscall_64+0xbf/0x430 [ 43.057797] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.058950] RIP: 0033:0x7fbaf79e25cd [ 43.059825] 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 [ 43.063516] RSP: 002b:00007ffd23841400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.065113] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbaf79e25cd [ 43.066594] RDX: 000056478ff15e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.068080] RBP: 00007ffd23841460 R08: 0000000000000000 R09: 00007ffd23840b00 [ 43.069579] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647ca716ad0 [ 43.071038] R13: 00007ffd23841890 R14: 00005647ca717bc0 R15: 00005647ca728780 [ 43.072536] [ 43.073026] irq event stamp: 1787 [ 43.073776] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 43.075516] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 43.077212] softirqs last enabled at (1490): [] handle_softirqs+0x50c/0x770 [ 43.078519] softirqs last disabled at (1485): [] __irq_exit_rcu+0xc4/0x100 [ 43.079795] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41796' (ECDSA) to the list of known hosts. 2025/11/17 19:55:35 fuzzer started 2025/11/17 19:55:35 dialing manager at localhost:37895 2025/11/17 19:55:35 checking machine... 2025/11/17 19:55:35 checking revisions... [ 44.004470] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:55:35 testing simple program... [ 44.093509] cgroup: Unknown subsys name 'net' [ 44.194323] cgroup: Unknown subsys name 'cpuset' [ 44.229336] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:55:34 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888018f77580 RCX=ffff888018f774d4 RDX=1ffff110031eeeb0 RSI=ffffffff85e1ffe0 RDI=ffff888018f77580 RBP=ffff888018f77618 RSP=ffff888018f77568 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff888018f77648 R13=0000000000000000 R14=ffff88800eee9bc0 R15=ffff8880096c78c0 RIP=ffffffff8135e17a RFL=00000212 [----A--] 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 00007fb03f7ad700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffde2a1d000 CR3=000000000e1e7000 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=63736964203a31313a38373037352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383730 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=000000000002208f 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 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb33d14b028 CR3=000000000d8db000 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=817cfd681a97e584b346a72f99ce0853 XMM02=ec2efd57dc4c00df0000000000304738 XMM03=c5c6dea16c2328520000000000304808 XMM04=aceebd7a216ecbe400000000000ae988 XMM05=bfa78b16097aaea20000000000321320 XMM06=474038aa6c007e1f0000000000320cc0 XMM07=e042d86d42eb936e00000000003106c8 XMM08=c5c6dea16c2328520000000000304808 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000