syzkaller login: [ 46.563285] ------------[ cut here ]------------ [ 46.564207] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.566161] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.567614] Modules linked in: [ 46.568308] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.570255] Tainted: [W]=WARN [ 46.570860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.572312] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.573206] 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 [ 46.576309] RSP: 0018:ffff8880175e7bc0 EFLAGS: 00010286 [ 46.577265] RAX: 0000000000000000 RBX: ffffed1002ebcf78 RCX: ffffffff813a4050 [ 46.578533] RDX: ffff88800a989bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.579779] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ebcf2f [ 46.581026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.582264] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175e7df8 [ 46.583537] FS: 00007fc5b1c63900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.584950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.585999] CR2: 00007fc5b2155580 CR3: 000000000bcfc000 CR4: 0000000000350ef0 [ 46.587264] Call Trace: [ 46.587772] [ 46.588178] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.589064] ? __create_object+0x59/0x80 [ 46.589823] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.590783] __vmalloc_noprof+0x59/0x60 [ 46.591467] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.592313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.593222] bpf_prog_alloc+0x39/0x200 [ 46.593936] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.594864] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.595752] do_seccomp+0x349/0x25e0 [ 46.596420] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.597316] ? __pfx_do_seccomp+0x10/0x10 [ 46.598088] ? find_held_lock+0x2b/0x80 [ 46.598852] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.599803] ? static_key_count+0x60/0x80 [ 46.600539] prctl_set_seccomp+0x4e/0x70 [ 46.601310] __do_sys_prctl+0xe6c/0x1d70 [ 46.602074] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.602921] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.603874] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.604834] ? irqentry_exit+0xf3/0x650 [ 46.605534] do_syscall_64+0xbf/0x430 [ 46.606273] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.607232] RIP: 0033:0x7fc5b21555cd [ 46.607936] 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 [ 46.611023] RSP: 002b:00007ffc21d6c250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.612360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5b21555cd [ 46.613625] RDX: 000055dddce54e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.614900] RBP: 00007ffc21d6c2b0 R08: 0000000000000000 R09: 00007ffc21d6b950 [ 46.616156] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de0e3a4ad0 [ 46.617407] R13: 00007ffc21d6c6e0 R14: 000055de0e3a5bc0 R15: 000055de0e3b6780 [ 46.618700] [ 46.619115] irq event stamp: 1755 [ 46.619752] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 46.621218] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 46.622706] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 46.624205] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 46.625692] ---[ end trace 0000000000000000 ]--- [ 50.134580] ------------[ cut here ]------------ [ 50.135475] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.137378] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 50.138811] Modules linked in: [ 50.139387] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.141548] Tainted: [W]=WARN [ 50.142217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.143677] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.144525] 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 [ 50.147558] RSP: 0018:ffff8880163e7bc0 EFLAGS: 00010286 [ 50.148496] RAX: 0000000000000000 RBX: ffffed1002c7cf78 RCX: ffffffff813a4050 [ 50.149745] RDX: ffff888015dbb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.151175] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c7cf2f [ 50.152683] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.154177] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163e7df8 [ 50.155685] FS: 00007f3060a0d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.157170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.158203] CR2: 00007ffd96089ef7 CR3: 0000000020d17000 CR4: 0000000000350ef0 [ 50.159564] Call Trace: [ 50.160152] [ 50.160596] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.161476] ? __create_object+0x59/0x80 [ 50.162237] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.163200] __vmalloc_noprof+0x59/0x60 [ 50.164071] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.165067] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.166140] bpf_prog_alloc+0x39/0x200 [ 50.167019] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.168087] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.169132] do_seccomp+0x349/0x25e0 [ 50.169858] ? find_held_lock+0x2b/0x80 [ 50.170569] ? do_prlimit+0x310/0x610 [ 50.171290] ? __pfx_do_seccomp+0x10/0x10 [ 50.172053] ? do_raw_spin_unlock+0x53/0x220 [ 50.172882] ? _raw_spin_unlock+0x1e/0x40 [ 50.173604] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.174560] ? static_key_count+0x60/0x80 [ 50.175338] prctl_set_seccomp+0x4e/0x70 [ 50.176100] __do_sys_prctl+0xe6c/0x1d70 [ 50.176869] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.177660] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.178635] ? irqentry_exit+0xf3/0x650 [ 50.179379] do_syscall_64+0xbf/0x430 [ 50.180086] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.181040] RIP: 0033:0x7f3060eff5cd [ 50.181716] 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 [ 50.185113] RSP: 002b:00007ffd960885b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.186523] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3060eff5cd [ 50.187772] RDX: 000056378cfb4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.189182] RBP: 00007ffd96088610 R08: 0000000000000000 R09: 00007ffd96087cb0 [ 50.190458] R10: 0000000000000000 R11: 0000000000000246 R12: 00005637a25fa2b0 [ 50.191723] R13: 00007ffd96088a40 R14: 00005637a25fcd20 R15: 00005637a260e8d0 [ 50.192983] [ 50.193399] irq event stamp: 1789 [ 50.194038] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 50.195746] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 50.197498] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 50.199296] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 50.201043] ---[ end trace 0000000000000000 ]--- [ 50.996560] ------------[ cut here ]------------ [ 50.997522] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.999560] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 51.001023] Modules linked in: [ 51.001601] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 51.004145] Tainted: [W]=WARN [ 51.004823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.006379] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.007366] 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 [ 51.010684] RSP: 0018:ffff88801a95fbc0 EFLAGS: 00010286 [ 51.011652] RAX: 0000000000000000 RBX: ffffed100352bf78 RCX: ffffffff813a4050 [ 51.013006] RDX: ffff8880168f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.014332] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100352bf2f [ 51.015693] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.017027] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a95fdf8 [ 51.018333] FS: 00007febfc51c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.019864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.020987] CR2: 00007ffc13814ef7 CR3: 000000000d802000 CR4: 0000000000350ef0 [ 51.022295] Call Trace: [ 51.022826] [ 51.023241] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.024150] ? __create_object+0x59/0x80 [ 51.024956] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.025953] __vmalloc_noprof+0x59/0x60 [ 51.026738] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.027568] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.028689] bpf_prog_alloc+0x39/0x200 [ 51.029411] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.030330] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.031281] do_seccomp+0x349/0x25e0 [ 51.032006] ? find_held_lock+0x2b/0x80 [ 51.032777] ? do_prlimit+0x310/0x610 [ 51.033489] ? __pfx_do_seccomp+0x10/0x10 [ 51.034304] ? do_raw_spin_unlock+0x53/0x220 [ 51.035174] ? _raw_spin_unlock+0x1e/0x40 [ 51.035955] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.036922] ? static_key_count+0x60/0x80 [ 51.037726] prctl_set_seccomp+0x4e/0x70 [ 51.038472] __do_sys_prctl+0xe6c/0x1d70 [ 51.039264] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.040140] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.041121] ? irqentry_exit+0xf3/0x650 [ 51.041951] do_syscall_64+0xbf/0x430 [ 51.042840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.043971] RIP: 0033:0x7febfca0e5cd [ 51.044813] 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 [ 51.048406] RSP: 002b:00007ffc13812c50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.049922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febfca0e5cd [ 51.051181] RDX: 000055bb16dc1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.052690] RBP: 00007ffc13812cb0 R08: 0000000000000000 R09: 00007ffc13812350 [ 51.054077] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb2c199ad0 [ 51.055391] R13: 00007ffc138130e0 R14: 000055bb2c19abc0 R15: 000055bb2c1ab780 [ 51.056712] [ 51.057145] irq event stamp: 1919 [ 51.057806] hardirqs last enabled at (1929): [] __up_console_sem+0x78/0x80 [ 51.059364] hardirqs last disabled at (1938): [] __up_console_sem+0x5d/0x80 [ 51.060903] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 51.062527] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 51.064164] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13145' (ECDSA) to the list of known hosts. 2025/11/18 12:34:42 fuzzer started 2025/11/18 12:34:43 dialing manager at localhost:34383 2025/11/18 12:34:43 checking machine... 2025/11/18 12:34:43 checking revisions... [ 51.953153] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:34:43 testing simple program... [ 52.043160] cgroup: Unknown subsys name 'net' [ 52.096055] cgroup: Unknown subsys name 'cpuset' [ 52.113608] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:34:42 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88801747b780 RCX=ffff88806ce08984 RDX=1ffff11002e8f770 RSI=ffffffff85e1ffe0 RDI=ffff88801747bb7c RBP=ffff88801747b780 RSP=ffff88806ce08990 R8 =ffffffff86a0ba5a R9 =ffff88806ce08a70 R10=000000000003c9ed R11=0000000000008972 R12=ffff88801747b780 R13=ffff88806ce08a78 R14=ffff88806ce08ff0 R15=ffff88806ce08a30 RIP=ffffffff815d2bff 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 00007f3ceefa3700 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=00007fce19dbf000 CR3=000000000d6ae000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3234325b646873732032343a3433 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303733 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=ffffffff813c156e RBX=ffffffff81619130 RCX=ffff888009757794 RDX=1ffff110012eaf13 RSI=ffffffff813c156e RDI=ffff888009757908 RBP=ffff8880097578d8 RSP=ffff888009757838 R8 =0000000000000001 R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000008964 R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff81619134 RFL=00000282 [--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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd96082000 CR3=0000000020cc3000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000