syzkaller login: [ 38.932040] ------------[ cut here ]------------ [ 38.932973] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.935017] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.936490] Modules linked in: [ 38.937119] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.939178] Tainted: [W]=WARN [ 38.939796] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.941274] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.942201] 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 [ 38.945401] RSP: 0018:ffff88801716fbc0 EFLAGS: 00010286 [ 38.946387] RAX: 0000000000000000 RBX: ffffed1002e2df78 RCX: ffffffff813a4050 [ 38.947695] RDX: ffff888015815340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.948994] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2df2f [ 38.950289] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.951591] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801716fdf8 [ 38.952884] FS: 00007fba26412900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.954336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.955424] CR2: 00007fba26904580 CR3: 0000000017933000 CR4: 0000000000350ef0 [ 38.956723] Call Trace: [ 38.957189] [ 38.957637] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.958501] ? __create_object+0x59/0x80 [ 38.959297] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.960286] __vmalloc_noprof+0x59/0x60 [ 38.961044] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.961933] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.962878] bpf_prog_alloc+0x39/0x200 [ 38.963629] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.964523] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.965434] do_seccomp+0x349/0x25e0 [ 38.966154] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.967042] ? __pfx_do_seccomp+0x10/0x10 [ 38.967860] ? find_held_lock+0x2b/0x80 [ 38.968618] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.969519] ? static_key_count+0x60/0x80 [ 38.970339] prctl_set_seccomp+0x4e/0x70 [ 38.971102] __do_sys_prctl+0xe6c/0x1d70 [ 38.971892] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.972748] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.973724] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.974698] ? irqentry_exit+0xf3/0x650 [ 38.975416] do_syscall_64+0xbf/0x430 [ 38.976155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.977104] RIP: 0033:0x7fba269045cd [ 38.977805] 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 [ 38.980970] RSP: 002b:00007ffc92b32960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.982332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fba269045cd [ 38.983622] RDX: 000055b700e93e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.984901] RBP: 00007ffc92b329c0 R08: 0000000000000000 R09: 00007ffc92b32060 [ 38.986190] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b727932bf0 [ 38.987472] R13: 00007ffc92b32df0 R14: 000055b72793c380 R15: 000055b727947460 [ 38.988792] [ 38.989220] irq event stamp: 1779 [ 38.989880] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 38.991421] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 38.992937] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 38.994489] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 38.996059] ---[ end trace 0000000000000000 ]--- [ 41.955868] ------------[ cut here ]------------ [ 41.956811] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.958864] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.960354] Modules linked in: [ 41.961041] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.963084] Tainted: [W]=WARN [ 41.963698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.965204] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.966150] 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 [ 41.969380] RSP: 0018:ffff8880166afbc0 EFLAGS: 00010286 [ 41.970376] RAX: 0000000000000000 RBX: ffffed1002cd5f78 RCX: ffffffff813a4050 [ 41.971694] RDX: ffff88801acb8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.972983] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cd5f2f [ 41.974270] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.975595] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166afdf8 [ 41.976907] FS: 00007f9886d7d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.978348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.979437] CR2: 00007f98872e34a6 CR3: 000000001f44f000 CR4: 0000000000350ef0 [ 41.980722] Call Trace: [ 41.981196] [ 41.981662] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.982507] ? __create_object+0x59/0x80 [ 41.983297] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.984272] __vmalloc_noprof+0x59/0x60 [ 41.985013] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.985883] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.986830] bpf_prog_alloc+0x39/0x200 [ 41.987564] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.988451] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.989366] do_seccomp+0x349/0x25e0 [ 41.990110] ? find_held_lock+0x2b/0x80 [ 41.990878] ? do_prlimit+0x310/0x610 [ 41.991638] ? __pfx_do_seccomp+0x10/0x10 [ 41.992387] ? do_raw_spin_unlock+0x53/0x220 [ 41.993216] ? _raw_spin_unlock+0x1e/0x40 [ 41.994004] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.994992] ? static_key_count+0x60/0x80 [ 41.995807] prctl_set_seccomp+0x4e/0x70 [ 41.996582] __do_sys_prctl+0xe6c/0x1d70 [ 41.997328] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.998215] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.999214] ? irqentry_exit+0xf3/0x650 [ 41.999998] do_syscall_64+0xbf/0x430 [ 42.000751] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.001707] RIP: 0033:0x7f988726f5cd [ 42.002382] 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 [ 42.005574] RSP: 002b:00007ffeb895a0a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.006957] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f988726f5cd [ 42.008268] RDX: 0000563236b95e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.009577] RBP: 00007ffeb895a100 R08: 0000000000000000 R09: 00007ffeb89597a0 [ 42.010867] R10: 0000000000000000 R11: 0000000000000246 R12: 000056323f0382b0 [ 42.012160] R13: 00007ffeb895a530 R14: 000056323f03ad20 R15: 000056323f04c8d0 [ 42.013465] [ 42.013915] irq event stamp: 1729 [ 42.014580] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 42.016120] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 42.017654] softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770 [ 42.019212] softirqs last disabled at (1587): [] __irq_exit_rcu+0xc4/0x100 [ 42.020350] ---[ end trace 0000000000000000 ]--- [ 42.818362] ------------[ cut here ]------------ [ 42.819285] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.821320] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.822759] Modules linked in: [ 42.823368] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.825406] Tainted: [W]=WARN [ 42.826017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.827491] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.828394] 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 [ 42.831555] RSP: 0018:ffff8880160a7bc0 EFLAGS: 00010286 [ 42.832467] RAX: 0000000000000000 RBX: ffffed1002c14f78 RCX: ffffffff813a4050 [ 42.833756] RDX: ffff88801795b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.835036] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c14f2f [ 42.836322] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.837608] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160a7df8 [ 42.838885] FS: 00007fa3b4711900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.840326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.841367] CR2: 00007fa3b4c03580 CR3: 000000001ae1c000 CR4: 0000000000350ef0 [ 42.842644] Call Trace: [ 42.843108] [ 42.843567] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.844419] ? __create_object+0x59/0x80 [ 42.845199] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.846158] __vmalloc_noprof+0x59/0x60 [ 42.846923] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.847802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.848749] bpf_prog_alloc+0x39/0x200 [ 42.849443] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.850371] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.851278] do_seccomp+0x349/0x25e0 [ 42.852005] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.852904] ? __pfx_do_seccomp+0x10/0x10 [ 42.853697] ? find_held_lock+0x2b/0x80 [ 42.854404] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.855353] ? static_key_count+0x60/0x80 [ 42.856166] prctl_set_seccomp+0x4e/0x70 [ 42.856935] __do_sys_prctl+0xe6c/0x1d70 [ 42.857701] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.858495] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.859477] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.860440] ? irqentry_exit+0xf3/0x650 [ 42.861210] do_syscall_64+0xbf/0x430 [ 42.861939] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.862909] RIP: 0033:0x7fa3b4c035cd [ 42.863624] 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 [ 42.866781] RSP: 002b:00007ffd30f5ee80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.868136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3b4c035cd [ 42.869408] RDX: 00005616c3342e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.870680] RBP: 00007ffd30f5eee0 R08: 0000000000000000 R09: 00007ffd30f5e580 [ 42.871979] R10: 0000000000000000 R11: 0000000000000246 R12: 00005616e69fbbf0 [ 42.873248] R13: 00007ffd30f5f310 R14: 00005616e6a05380 R15: 00005616e6a10460 [ 42.874569] [ 42.874989] irq event stamp: 1775 [ 42.875649] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 42.877157] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 42.878665] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 42.880228] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 42.881746] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36536' (ECDSA) to the list of known hosts. 2025/11/17 16:53:49 fuzzer started 2025/11/17 16:53:49 dialing manager at localhost:37895 2025/11/17 16:53:49 checking machine... 2025/11/17 16:53:49 checking revisions... [ 43.746806] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:53:49 testing simple program... [ 43.831334] cgroup: Unknown subsys name 'net' [ 43.865496] cgroup: Unknown subsys name 'cpuset' [ 43.876954] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:53:48 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880159b7c68 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff8880159b76e0 R8 =0000000000000001 R9 =ffff8880159b77d8 R10=000000000003c9ed R11=0000000000023cdc R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff888017959bc0 R15=ffff8880159b7798 RIP=ffffffff81528f47 RFL=00000206 [-----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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6f589b7b70 CR3=000000001f64e000 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=2e6f747079726362696c2f756e672d78 XMM02=00312e312e6f732e6f74707972636269 XMM03=6c2f756e672d78756e696c2d34365f36 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff86d76749 RBX=0000000000000001 RCX=ffffffff86d76744 RDX=0000000000000000 RSI=1ffffffff0daece9 RDI=ffffffff868f9dfc RBP=ffff8880159c7880 RSP=ffff8880159c77b8 R8 =ffffffff86d7672c R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a692 R12=ffff8880159c7888 R13=ffff8880159c7870 R14=ffff8880159c7869 R15=ffff8880159c7828 RIP=ffffffff8135e815 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 00007f9886d7d900 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=00007f98873350b0 CR3=000000001f4f6000 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