syzkaller login: [ 38.990711] ------------[ cut here ]------------ [ 38.991648] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.993608] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.995096] Modules linked in: [ 38.995733] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.997930] Tainted: [W]=WARN [ 38.998810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.000288] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.001201] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.004368] RSP: 0018:ffff88801b447bc0 EFLAGS: 00010286 [ 39.005352] RAX: 0000000000000000 RBX: ffffed1003688f78 RCX: ffffffff813a4050 [ 39.006649] RDX: ffff88800e835340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.007935] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003688f2f [ 39.009223] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.010524] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b447df8 [ 39.011818] FS: 00007eff55495900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.013268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.014344] CR2: 00007eff55987580 CR3: 000000000dea1000 CR4: 0000000000350ef0 [ 39.015647] Call Trace: [ 39.016112] [ 39.016571] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.017478] ? __create_object+0x59/0x80 [ 39.018268] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.019273] __vmalloc_noprof+0x59/0x60 [ 39.019989] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.020864] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.021801] bpf_prog_alloc+0x39/0x200 [ 39.022552] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.023488] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.024396] do_seccomp+0x349/0x25e0 [ 39.025072] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.025974] ? __pfx_do_seccomp+0x10/0x10 [ 39.026775] ? find_held_lock+0x2b/0x80 [ 39.027529] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.028495] ? static_key_count+0x60/0x80 [ 39.029297] prctl_set_seccomp+0x4e/0x70 [ 39.030029] __do_sys_prctl+0xe6c/0x1d70 [ 39.030830] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.031695] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.032658] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.033621] ? irqentry_exit+0xf3/0x650 [ 39.034391] do_syscall_64+0xbf/0x430 [ 39.035084] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.036037] RIP: 0033:0x7eff559875cd [ 39.036750] 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 [ 39.039922] RSP: 002b:00007fff2e4f39a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.041289] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff559875cd [ 39.042601] RDX: 0000563b83018e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.043891] RBP: 00007fff2e4f3a00 R08: 0000000000000000 R09: 00007fff2e4f30a0 [ 39.045187] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b9b3c6ad0 [ 39.046482] R13: 00007fff2e4f3e30 R14: 0000563b9b3c7bc0 R15: 0000563b9b3d8780 [ 39.047793] [ 39.048275] irq event stamp: 1851 [ 39.048889] hardirqs last enabled at (1859): [] __up_console_sem+0x78/0x80 [ 39.050436] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 39.051828] softirqs last enabled at (1882): [] handle_softirqs+0x50c/0x770 [ 39.053107] softirqs last disabled at (1867): [] __irq_exit_rcu+0xc4/0x100 [ 39.054397] ---[ end trace 0000000000000000 ]--- [ 42.198020] ------------[ cut here ]------------ [ 42.198959] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.200979] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.202558] Modules linked in: [ 42.203202] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.205182] Tainted: [W]=WARN [ 42.205740] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.207206] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.208107] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.211267] RSP: 0018:ffff888017f67bc0 EFLAGS: 00010286 [ 42.212239] RAX: 0000000000000000 RBX: ffffed1002fecf78 RCX: ffffffff813a4050 [ 42.213497] RDX: ffff88801725b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.214793] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fecf2f [ 42.216064] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.217345] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f67df8 [ 42.218632] FS: 00007f20dd748900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.220053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.221105] CR2: 00007ffd17353ef8 CR3: 000000001e7b8000 CR4: 0000000000350ef0 [ 42.222398] Call Trace: [ 42.222867] [ 42.223307] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.224194] ? __create_object+0x59/0x80 [ 42.224921] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.225885] __vmalloc_noprof+0x59/0x60 [ 42.226644] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.227520] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.228437] bpf_prog_alloc+0x39/0x200 [ 42.229131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.230050] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.230956] do_seccomp+0x349/0x25e0 [ 42.231671] ? find_held_lock+0x2b/0x80 [ 42.232420] ? do_prlimit+0x310/0x610 [ 42.233125] ? __pfx_do_seccomp+0x10/0x10 [ 42.233923] ? do_raw_spin_unlock+0x53/0x220 [ 42.234777] ? _raw_spin_unlock+0x1e/0x40 [ 42.235544] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.236505] ? static_key_count+0x60/0x80 [ 42.237301] prctl_set_seccomp+0x4e/0x70 [ 42.238024] __do_sys_prctl+0xe6c/0x1d70 [ 42.238808] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.239670] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.240627] ? irqentry_exit+0xf3/0x650 [ 42.241381] do_syscall_64+0xbf/0x430 [ 42.242078] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.243047] RIP: 0033:0x7f20ddc3a5cd [ 42.243739] 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 [ 42.246893] RSP: 002b:00007ffd17351600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.248260] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f20ddc3a5cd [ 42.249525] RDX: 00005634fbc12e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.250810] RBP: 00007ffd17351660 R08: 0000000000000000 R09: 00007ffd17350d00 [ 42.252093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563535301ad0 [ 42.253376] R13: 00007ffd17351a90 R14: 0000563535302bc0 R15: 0000563535313780 [ 42.254688] [ 42.255113] irq event stamp: 1805 [ 42.255758] hardirqs last enabled at (1815): [] __up_console_sem+0x78/0x80 [ 42.257274] hardirqs last disabled at (1824): [] __up_console_sem+0x5d/0x80 [ 42.258809] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 42.260161] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 42.261430] ---[ end trace 0000000000000000 ]--- [ 43.060527] ------------[ cut here ]------------ [ 43.061587] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.063893] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.065573] Modules linked in: [ 43.066559] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.068943] Tainted: [W]=WARN [ 43.069648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.071373] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.072432] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.076099] RSP: 0018:ffff888016f47bc0 EFLAGS: 00010286 [ 43.077236] RAX: 0000000000000000 RBX: ffffed1002de8f78 RCX: ffffffff813a4050 [ 43.078723] RDX: ffff888015925340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.080220] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de8f2f [ 43.081710] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.083212] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f47df8 [ 43.084705] FS: 00007fe6227de900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.086395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.087622] CR2: 00007ffd051dcef8 CR3: 0000000009d17000 CR4: 0000000000350ef0 [ 43.089127] Call Trace: [ 43.089691] [ 43.090208] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.091267] ? __create_object+0x59/0x80 [ 43.092118] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.093278] __vmalloc_noprof+0x59/0x60 [ 43.094109] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.095138] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.096261] bpf_prog_alloc+0x39/0x200 [ 43.097056] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.098133] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.099203] do_seccomp+0x349/0x25e0 [ 43.099981] ? find_held_lock+0x2b/0x80 [ 43.100880] ? do_prlimit+0x310/0x610 [ 43.101744] ? __pfx_do_seccomp+0x10/0x10 [ 43.102663] ? do_raw_spin_unlock+0x53/0x220 [ 43.103632] ? _raw_spin_unlock+0x1e/0x40 [ 43.104548] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.105660] ? static_key_count+0x60/0x80 [ 43.106599] prctl_set_seccomp+0x4e/0x70 [ 43.107492] __do_sys_prctl+0xe6c/0x1d70 [ 43.108403] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.109409] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.110566] ? irqentry_exit+0xf3/0x650 [ 43.111453] do_syscall_64+0xbf/0x430 [ 43.112316] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.113415] RIP: 0033:0x7fe622cd05cd [ 43.114236] 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 [ 43.117908] RSP: 002b:00007ffd051daf00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.119496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe622cd05cd [ 43.120981] RDX: 000056364ef54e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.122472] RBP: 00007ffd051daf60 R08: 0000000000000000 R09: 00007ffd051da600 [ 43.123743] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563676913ad0 [ 43.124994] R13: 00007ffd051db390 R14: 0000563676914bc0 R15: 0000563676925780 [ 43.126280] [ 43.126710] irq event stamp: 1883 [ 43.127232] hardirqs last enabled at (1893): [] __up_console_sem+0x78/0x80 [ 43.128447] hardirqs last disabled at (1902): [] __up_console_sem+0x5d/0x80 [ 43.129661] softirqs last enabled at (1498): [] handle_softirqs+0x50c/0x770 [ 43.130892] softirqs last disabled at (1493): [] __irq_exit_rcu+0xc4/0x100 [ 43.132105] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31369' (ECDSA) to the list of known hosts. 2025/11/18 10:16:42 fuzzer started 2025/11/18 10:16:43 dialing manager at localhost:34383 2025/11/18 10:16:43 checking machine... 2025/11/18 10:16:43 checking revisions... [ 44.007374] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:16:43 testing simple program... [ 44.105356] cgroup: Unknown subsys name 'net' [ 44.160524] cgroup: Unknown subsys name 'cpuset' [ 44.183520] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:16:42 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce38140 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffffffff85e2b998 RBP=ffffffff85e2b980 RSP=ffff888009627b88 R8 =00000000ffffffff R9 =fffffbfff0cc9f0a R10=ffffffff8664f857 R11=1ffff1100d9c704a R12=ffffffff85e2b980 R13=ffff88806ce38154 R14=0000000000000000 R15=0000000000009764 RIP=ffffffff84c7208d 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f09d7c98000 CR3=000000000d295000 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=543f7c2477ada2b781410dca5bc11a5d XMM02=00000000003035e0eff9b2d0a8fce9cb XMM03=00000000003036b02c67c8bc2e329bc3 XMM04=71db9952b5fc1e2200000000000ae988 XMM05=3588878409f44d850000000000320fa0 XMM06=090f1556b20111b3000000000031fe90 XMM07=fb795ef6d6577056000000000030f4f8 XMM08=2c67c8bc2e329bc30000000000303650 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff81c18844 RDX=ffff88800f0b9bc0 RSI=ffffffff81c18978 RDI=0000000000000005 RBP=ffff88801734e380 RSP=ffff88800b86fe38 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000008 R13=ffff8880189ae940 R14=1ffff1100170dfcf R15=0000000000000000 RIP=ffffffff815bd105 RFL=00000293 [--S-A-C] 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 00007f20dd748900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f20ddd000b0 CR3=000000001e8ea000 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=25252525252525252525252525252525 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=662079726f6d656d20666f2074756f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000