syzkaller login: [ 39.109110] ------------[ cut here ]------------ [ 39.110189] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.112313] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.113761] Modules linked in: [ 39.114342] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.116720] Tainted: [W]=WARN [ 39.117278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.118872] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.119782] 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 [ 39.123329] RSP: 0018:ffff88800ff17bc0 EFLAGS: 00010286 [ 39.124460] RAX: 0000000000000000 RBX: ffffed1001fe2f78 RCX: ffffffff813a4050 [ 39.125961] RDX: ffff88800f6ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.127389] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001fe2f2f [ 39.128801] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.130100] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ff17df8 [ 39.131376] FS: 00007f965e8c4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.132790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.133870] CR2: 00007f965edb6580 CR3: 000000000d420000 CR4: 0000000000350ef0 [ 39.135140] Call Trace: [ 39.135599] [ 39.136052] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.136953] ? __create_object+0x59/0x80 [ 39.137749] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.138729] __vmalloc_noprof+0x59/0x60 [ 39.139440] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.140310] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.141321] bpf_prog_alloc+0x39/0x200 [ 39.142087] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.143019] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.143931] do_seccomp+0x349/0x25e0 [ 39.144603] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.145516] ? __pfx_do_seccomp+0x10/0x10 [ 39.146325] ? find_held_lock+0x2b/0x80 [ 39.147102] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.148070] ? static_key_count+0x60/0x80 [ 39.148889] prctl_set_seccomp+0x4e/0x70 [ 39.149619] __do_sys_prctl+0xe6c/0x1d70 [ 39.150417] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.151323] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.152463] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.153595] ? irqentry_exit+0xf3/0x650 [ 39.154475] do_syscall_64+0xbf/0x430 [ 39.155331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.156436] RIP: 0033:0x7f965edb65cd [ 39.157273] 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 [ 39.160988] RSP: 002b:00007ffe67c93c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.162500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f965edb65cd [ 39.163809] RDX: 000055880922ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.165088] RBP: 00007ffe67c93c70 R08: 0000000000000000 R09: 00007ffe67c93310 [ 39.166357] R10: 0000000000000000 R11: 0000000000000246 R12: 000055880f5b6bf0 [ 39.167432] R13: 00007ffe67c940a0 R14: 000055880f5c0380 R15: 000055880f5cb460 [ 39.168508] [ 39.168900] irq event stamp: 1841 [ 39.169405] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 39.170679] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 39.171945] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 39.173220] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 39.174478] ---[ end trace 0000000000000000 ]--- [ 41.970426] ------------[ cut here ]------------ [ 41.970864] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.971834] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.972474] Modules linked in: [ 41.972762] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.973659] Tainted: [W]=WARN [ 41.973923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.974568] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.975091] 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 [ 41.976545] RSP: 0018:ffff88800f3dfbc0 EFLAGS: 00010286 [ 41.976985] RAX: 0000000000000000 RBX: ffffed1001e7bf78 RCX: ffffffff813a4050 [ 41.977547] RDX: ffff888017628000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.978133] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e7bf2f [ 41.978713] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.979273] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f3dfdf8 [ 41.979856] FS: 00007f99d061f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.980492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.980972] CR2: 00007ffc21f31ef7 CR3: 000000000e97f000 CR4: 0000000000350ef0 [ 41.981541] Call Trace: [ 41.981777] [ 41.981967] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.982356] ? __create_object+0x59/0x80 [ 41.982714] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.983136] __vmalloc_noprof+0x59/0x60 [ 41.983458] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.983979] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.984384] bpf_prog_alloc+0x39/0x200 [ 41.984720] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.985122] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.985514] do_seccomp+0x349/0x25e0 [ 41.985859] ? find_held_lock+0x2b/0x80 [ 41.986191] ? do_prlimit+0x310/0x610 [ 41.986513] ? __pfx_do_seccomp+0x10/0x10 [ 41.986876] ? do_raw_spin_unlock+0x53/0x220 [ 41.987235] ? _raw_spin_unlock+0x1e/0x40 [ 41.987569] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.988009] ? static_key_count+0x60/0x80 [ 41.988356] prctl_set_seccomp+0x4e/0x70 [ 41.988712] __do_sys_prctl+0xe6c/0x1d70 [ 41.989050] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.989420] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.989872] ? irqentry_exit+0xf3/0x650 [ 41.990204] do_syscall_64+0xbf/0x430 [ 41.990523] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.990957] RIP: 0033:0x7f99d0b115cd [ 41.991255] 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 [ 41.992694] RSP: 002b:00007ffc21f2fb50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.993293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99d0b115cd [ 41.993885] RDX: 00005613e8f4fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.994444] RBP: 00007ffc21f2fbb0 R08: 0000000000000000 R09: 00007ffc21f2f250 [ 41.995028] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561401788ad0 [ 41.995593] R13: 00007ffc21f2ffe0 R14: 0000561401789bc0 R15: 000056140179a780 [ 41.996187] [ 41.996381] irq event stamp: 1733 [ 41.996682] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 41.997353] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 41.998054] softirqs last enabled at (1478): [] handle_softirqs+0x50c/0x770 [ 41.998762] softirqs last disabled at (1429): [] __irq_exit_rcu+0xc4/0x100 [ 41.999433] ---[ end trace 0000000000000000 ]--- [ 42.690347] ------------[ cut here ]------------ [ 42.691275] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.693386] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.694859] Modules linked in: [ 42.695451] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.697746] Tainted: [W]=WARN [ 42.698299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.699761] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.700611] 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 [ 42.703818] RSP: 0018:ffff888016ad7bc0 EFLAGS: 00010286 [ 42.704795] RAX: 0000000000000000 RBX: ffffed1002d5af78 RCX: ffffffff813a4050 [ 42.706073] RDX: ffff8880164a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.707349] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5af2f [ 42.708618] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.709938] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ad7df8 [ 42.711224] FS: 00007fcba7e9e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.712680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.713854] CR2: 00007fff309aaef7 CR3: 000000000d88c000 CR4: 0000000000350ef0 [ 42.715129] Call Trace: [ 42.715582] [ 42.716016] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.716895] ? __create_object+0x59/0x80 [ 42.717619] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.718589] __vmalloc_noprof+0x59/0x60 [ 42.719328] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.720206] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.721118] bpf_prog_alloc+0x39/0x200 [ 42.721857] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.722759] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.723593] do_seccomp+0x349/0x25e0 [ 42.724299] ? find_held_lock+0x2b/0x80 [ 42.725042] ? do_prlimit+0x310/0x610 [ 42.725788] ? __pfx_do_seccomp+0x10/0x10 [ 42.726526] ? do_raw_spin_unlock+0x53/0x220 [ 42.727353] ? _raw_spin_unlock+0x1e/0x40 [ 42.728117] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.729061] ? static_key_count+0x60/0x80 [ 42.729865] prctl_set_seccomp+0x4e/0x70 [ 42.730576] __do_sys_prctl+0xe6c/0x1d70 [ 42.731345] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.732193] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.733145] ? irqentry_exit+0xf3/0x650 [ 42.733907] do_syscall_64+0xbf/0x430 [ 42.734596] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.735521] RIP: 0033:0x7fcba83905cd [ 42.736206] 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 [ 42.739283] RSP: 002b:00007fff309a83b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.740626] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcba83905cd [ 42.741909] RDX: 000055bd02621e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.743185] RBP: 00007fff309a8410 R08: 0000000000000000 R09: 00007fff309a7ab0 [ 42.744420] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd41a77ad0 [ 42.745669] R13: 00007fff309a8840 R14: 000055bd41a78bc0 R15: 000055bd41a89780 [ 42.746953] [ 42.747377] irq event stamp: 1795 [ 42.748013] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 42.749489] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 42.750995] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 42.752490] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 42.753974] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:52261' (ECDSA) to the list of known hosts. 2025/11/18 15:12:25 fuzzer started 2025/11/18 15:12:26 dialing manager at localhost:34383 2025/11/18 15:12:26 checking machine... 2025/11/18 15:12:26 checking revisions... [ 43.744631] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:12:26 testing simple program... [ 43.842545] cgroup: Unknown subsys name 'net' [ 43.906275] cgroup: Unknown subsys name 'cpuset' [ 43.919736] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:12:25 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff85e786a8 RCX=ffffffff8175a745 RDX=1ffffffff0bcf0d5 RSI=ffffffff8175a63d RDI=0000000000000001 RBP=0000000000000001 RSP=ffff888016d47660 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007f99d11b9e07 R13=0000000000000000 R14=ffffffff85e786a8 R15=ffff88800944cc80 RIP=ffffffff8175a666 RFL=00000246 [---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 00007f99d061f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f99d05fe020 CR3=0000000009d10000 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=0000000000023f73 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5917349000 CR3=000000000d9f2000 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=04721fbd909fb7b7e84a81d8b5cb72de XMM02=0000000000304870eff9b2d0a8fce9cb XMM03=00000000003049402c67c8bc2e329bc3 XMM04=420e9f2f8afb046400000000000ae988 XMM05=39dd990ea99f43fd0000000000321b28 XMM06=d74844bf967d85ba0000000000320bc8 XMM07=e042d86d42eb936e0000000000310608 XMM08=4ebac0d9e948373a0000000000304940 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000