syzkaller login: [ 45.703491] ------------[ cut here ]------------ [ 45.704418] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.706453] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 45.707926] Modules linked in: [ 45.708541] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.710516] Tainted: [W]=WARN [ 45.711129] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.712633] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.713565] 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 [ 45.716759] RSP: 0018:ffff8880176ffbc0 EFLAGS: 00010286 [ 45.717739] RAX: 0000000000000000 RBX: ffffed1002edff78 RCX: ffffffff813a4050 [ 45.719028] RDX: ffff88800b61d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.720315] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edff2f [ 45.721604] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.722879] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176ffdf8 [ 45.724151] FS: 00007f7fb25e8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.725583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.726644] CR2: 00007ffe67333ef7 CR3: 000000000ddbb000 CR4: 0000000000350ef0 [ 45.727939] Call Trace: [ 45.728407] [ 45.728858] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.729740] ? __create_object+0x59/0x80 [ 45.730485] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.731459] __vmalloc_noprof+0x59/0x60 [ 45.732195] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.733050] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.733988] bpf_prog_alloc+0x39/0x200 [ 45.734737] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.735620] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.736509] do_seccomp+0x349/0x25e0 [ 45.737216] ? find_held_lock+0x2b/0x80 [ 45.737988] ? do_prlimit+0x310/0x610 [ 45.738759] ? __pfx_do_seccomp+0x10/0x10 [ 45.739509] ? do_raw_spin_unlock+0x53/0x220 [ 45.740359] ? _raw_spin_unlock+0x1e/0x40 [ 45.741150] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.742105] ? static_key_count+0x60/0x80 [ 45.742933] prctl_set_seccomp+0x4e/0x70 [ 45.743718] __do_sys_prctl+0xe6c/0x1d70 [ 45.744467] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.745333] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.746307] ? irqentry_exit+0xf3/0x650 [ 45.747069] do_syscall_64+0xbf/0x430 [ 45.747812] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.748747] RIP: 0033:0x7f7fb2ada5cd [ 45.749410] 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 [ 45.752635] RSP: 002b:00007ffe67331750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.754019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7fb2ada5cd [ 45.755306] RDX: 0000560c0aea7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.756579] RBP: 00007ffe673317b0 R08: 0000000000000000 R09: 00007ffe67330e50 [ 45.757874] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c247102b0 [ 45.759172] R13: 00007ffe67331be0 R14: 0000560c24712d20 R15: 0000560c247248d0 [ 45.760465] [ 45.760915] irq event stamp: 1711 [ 45.761523] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 45.763053] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 45.764576] softirqs last enabled at (1250): [] handle_softirqs+0x50c/0x770 [ 45.766106] softirqs last disabled at (1245): [] __irq_exit_rcu+0xc4/0x100 [ 45.767594] ---[ end trace 0000000000000000 ]--- [ 48.703183] ------------[ cut here ]------------ [ 48.704124] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.706060] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 48.707499] Modules linked in: [ 48.708153] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.710087] Tainted: [W]=WARN [ 48.710637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.712073] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.712964] 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 [ 48.716066] RSP: 0018:ffff88801a4cfbc0 EFLAGS: 00010286 [ 48.717024] RAX: 0000000000000000 RBX: ffffed1003499f78 RCX: ffffffff813a4050 [ 48.718287] RDX: ffff88801a500000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.719555] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003499f2f [ 48.720818] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.722096] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a4cfdf8 [ 48.723370] FS: 00007f0f9ac81900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.724792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.725847] CR2: 00007f0f9b173580 CR3: 00000000201cb000 CR4: 0000000000350ef0 [ 48.727117] Call Trace: [ 48.727575] [ 48.728026] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.728907] ? __create_object+0x59/0x80 [ 48.729625] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.730577] __vmalloc_noprof+0x59/0x60 [ 48.731317] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.732181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.733098] bpf_prog_alloc+0x39/0x200 [ 48.733814] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.734745] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.735586] do_seccomp+0x349/0x25e0 [ 48.736288] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.737164] ? __pfx_do_seccomp+0x10/0x10 [ 48.737927] ? find_held_lock+0x2b/0x80 [ 48.738638] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.739574] ? static_key_count+0x60/0x80 [ 48.740367] prctl_set_seccomp+0x4e/0x70 [ 48.741128] __do_sys_prctl+0xe6c/0x1d70 [ 48.741910] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.742785] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.743729] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.744630] ? irqentry_exit+0xf3/0x650 [ 48.745383] do_syscall_64+0xbf/0x430 [ 48.746102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.747048] RIP: 0033:0x7f0f9b1735cd [ 48.747747] 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 [ 48.750858] RSP: 002b:00007ffdbba4a340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.752200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0f9b1735cd [ 48.753453] RDX: 00005580edf9fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.754717] RBP: 00007ffdbba4a3a0 R08: 0000000000000000 R09: 00007ffdbba49a40 [ 48.755976] R10: 0000000000000000 R11: 0000000000000246 R12: 00005580f33fd2b0 [ 48.757226] R13: 00007ffdbba4a7d0 R14: 00005580f33ffd20 R15: 00005580f34118d0 [ 48.758494] [ 48.758953] irq event stamp: 1703 [ 48.759543] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 48.761023] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 48.762518] softirqs last enabled at (1624): [] handle_softirqs+0x50c/0x770 [ 48.763568] softirqs last disabled at (1619): [] __irq_exit_rcu+0xc4/0x100 [ 48.764490] ---[ end trace 0000000000000000 ]--- [ 49.483707] ------------[ cut here ]------------ [ 49.484573] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.486538] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.487965] Modules linked in: [ 49.488545] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.490501] Tainted: [W]=WARN [ 49.491077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.492526] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.493428] 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 [ 49.496569] RSP: 0018:ffff888016b7fbc0 EFLAGS: 00010286 [ 49.497533] RAX: 0000000000000000 RBX: ffffed1002d6ff78 RCX: ffffffff813a4050 [ 49.498815] RDX: ffff888017111bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.500077] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6ff2f [ 49.501377] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.502656] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b7fdf8 [ 49.503943] FS: 00007f15f967d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.505373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.506431] CR2: 00007ffc47986ef7 CR3: 00000000200e5000 CR4: 0000000000350ef0 [ 49.507706] Call Trace: [ 49.508166] [ 49.508579] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.509475] ? __create_object+0x59/0x80 [ 49.510245] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.511217] __vmalloc_noprof+0x59/0x60 [ 49.511973] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.512843] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.513763] bpf_prog_alloc+0x39/0x200 [ 49.514457] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.515383] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.516282] do_seccomp+0x349/0x25e0 [ 49.516991] ? find_held_lock+0x2b/0x80 [ 49.517760] ? do_prlimit+0x310/0x610 [ 49.518471] ? __pfx_do_seccomp+0x10/0x10 [ 49.519254] ? do_raw_spin_unlock+0x53/0x220 [ 49.520092] ? _raw_spin_unlock+0x1e/0x40 [ 49.520880] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.521841] ? static_key_count+0x60/0x80 [ 49.522606] prctl_set_seccomp+0x4e/0x70 [ 49.523375] __do_sys_prctl+0xe6c/0x1d70 [ 49.524158] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.525009] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.525965] ? irqentry_exit+0xf3/0x650 [ 49.526885] do_syscall_64+0xbf/0x430 [ 49.527753] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.528885] RIP: 0033:0x7f15f9b6f5cd [ 49.529663] 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 [ 49.533189] RSP: 002b:00007ffc47984b10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.534580] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15f9b6f5cd [ 49.535897] RDX: 0000562032b4ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.537403] RBP: 00007ffc47984b70 R08: 0000000000000000 R09: 00007ffc47984210 [ 49.538903] R10: 0000000000000000 R11: 0000000000000246 R12: 000056204b9c3ad0 [ 49.540441] R13: 00007ffc47984fa0 R14: 000056204b9c4bc0 R15: 000056204b9d5780 [ 49.541993] [ 49.542503] irq event stamp: 1699 [ 49.543162] hardirqs last enabled at (1709): [] __up_console_sem+0x78/0x80 [ 49.544701] hardirqs last disabled at (1718): [] __up_console_sem+0x5d/0x80 [ 49.546217] softirqs last enabled at (1300): [] handle_softirqs+0x50c/0x770 [ 49.547705] softirqs last disabled at (1285): [] __irq_exit_rcu+0xc4/0x100 [ 49.548975] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53327' (ECDSA) to the list of known hosts. 2025/11/18 18:37:02 fuzzer started 2025/11/18 18:37:02 dialing manager at localhost:34383 2025/11/18 18:37:02 checking machine... 2025/11/18 18:37:02 checking revisions... [ 50.458719] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:37:02 testing simple program... [ 50.541830] cgroup: Unknown subsys name 'net' [ 50.612087] cgroup: Unknown subsys name 'cpuset' [ 50.636270] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:37:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff85e78700 RCX=ffffffff8175a745 RDX=ffffffff85c2ca00 RSI=ffffffff8175a63d RDI=0000000000000001 RBP=0000000000000001 RSP=ffff88806ce089f8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff86fd85f9 R13=0000000000000000 R14=ffffffff85c2ca00 R15=ffff888008c4b780 RIP=ffffffff81751e08 RFL=00000202 [-------] 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd0edf0d48 CR3=0000000005c8a000 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=00007f88b7f74510000055e8fe232790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff888009757898 RSP=ffff8880097577c0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888009757888 R14=ffff8880096fb780 R15=ffff888009757840 RIP=ffffffff84c721b6 RFL=00000202 [-------] 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 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005580f3424818 CR3=0000000013cc4000 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=ff0000000000ffff0000000000ff0000 XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000