syzkaller login: [ 46.497993] ------------[ cut here ]------------ [ 46.499107] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.501406] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.503089] Modules linked in: [ 46.503775] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.506117] Tainted: [W]=WARN [ 46.506770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.508446] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.509494] 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 [ 46.513061] RSP: 0018:ffff8880161f7bc0 EFLAGS: 00010286 [ 46.514076] RAX: 0000000000000000 RBX: ffffed1002c3ef78 RCX: ffffffff813a4050 [ 46.515404] RDX: ffff88800e5db780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.516704] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c3ef2f [ 46.517987] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.519319] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161f7df8 [ 46.520609] FS: 00007f416a1d8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.522058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.523153] CR2: 00007ffe554a6ef7 CR3: 000000000d890000 CR4: 0000000000350ef0 [ 46.524459] Call Trace: [ 46.524928] [ 46.525391] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.526328] ? __create_object+0x59/0x80 [ 46.527117] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.528096] __vmalloc_noprof+0x59/0x60 [ 46.528831] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.529717] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.530668] bpf_prog_alloc+0x39/0x200 [ 46.531411] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.532359] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.533272] do_seccomp+0x349/0x25e0 [ 46.533951] ? find_held_lock+0x2b/0x80 [ 46.534742] ? do_prlimit+0x310/0x610 [ 46.535488] ? __pfx_do_seccomp+0x10/0x10 [ 46.536275] ? do_raw_spin_unlock+0x53/0x220 [ 46.537115] ? _raw_spin_unlock+0x1e/0x40 [ 46.537863] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.538836] ? static_key_count+0x60/0x80 [ 46.539624] prctl_set_seccomp+0x4e/0x70 [ 46.540412] __do_sys_prctl+0xe6c/0x1d70 [ 46.541209] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.542070] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.543010] ? irqentry_exit+0xf3/0x650 [ 46.543788] do_syscall_64+0xbf/0x430 [ 46.544544] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.545502] RIP: 0033:0x7f416a6ca5cd [ 46.546232] 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 [ 46.549403] RSP: 002b:00007ffe554a4c00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.550812] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f416a6ca5cd [ 46.552107] RDX: 00005589290dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.553398] RBP: 00007ffe554a4c60 R08: 0000000000000000 R09: 00007ffe554a4300 [ 46.554717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558932238ad0 [ 46.556004] R13: 00007ffe554a5090 R14: 0000558932239bc0 R15: 000055893224a780 [ 46.557333] [ 46.557754] irq event stamp: 1747 [ 46.558435] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 46.559974] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 46.561542] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 46.563000] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 46.564281] ---[ end trace 0000000000000000 ]--- [ 49.326850] ------------[ cut here ]------------ [ 49.327872] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.330117] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.331693] Modules linked in: [ 49.332383] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.334617] Tainted: [W]=WARN [ 49.335399] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.337141] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.338144] 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 [ 49.341553] RSP: 0018:ffff888016ab7bc0 EFLAGS: 00010286 [ 49.342609] RAX: 0000000000000000 RBX: ffffed1002d56f78 RCX: ffffffff813a4050 [ 49.343993] RDX: ffff888015fb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.345430] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d56f2f [ 49.346808] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.348183] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ab7df8 [ 49.349561] FS: 00007f74b717e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.351119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.352261] CR2: 00007f74b76e44a6 CR3: 000000001ffb7000 CR4: 0000000000350ef0 [ 49.353655] Call Trace: [ 49.354201] [ 49.354654] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.355619] ? __create_object+0x59/0x80 [ 49.356461] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.357506] __vmalloc_noprof+0x59/0x60 [ 49.358337] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.359267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.360259] bpf_prog_alloc+0x39/0x200 [ 49.360996] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.361990] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.362972] do_seccomp+0x349/0x25e0 [ 49.363740] ? find_held_lock+0x2b/0x80 [ 49.364544] ? do_prlimit+0x310/0x610 [ 49.365348] ? __pfx_do_seccomp+0x10/0x10 [ 49.366189] ? do_raw_spin_unlock+0x53/0x220 [ 49.367096] ? _raw_spin_unlock+0x1e/0x40 [ 49.367879] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.368901] ? static_key_count+0x60/0x80 [ 49.369736] prctl_set_seccomp+0x4e/0x70 [ 49.370564] __do_sys_prctl+0xe6c/0x1d70 [ 49.371381] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.372288] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.373313] ? irqentry_exit+0xf3/0x650 [ 49.374122] do_syscall_64+0xbf/0x430 [ 49.374869] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.375884] RIP: 0033:0x7f74b76705cd [ 49.376637] 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 [ 49.379980] RSP: 002b:00007ffc55fd11d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.381418] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74b76705cd [ 49.382770] RDX: 000055ea8279ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.384103] RBP: 00007ffc55fd1230 R08: 0000000000000000 R09: 00007ffc55fd08d0 [ 49.385445] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eaab5a22b0 [ 49.386813] R13: 00007ffc55fd1660 R14: 000055eaab5a4d20 R15: 000055eaab5b68d0 [ 49.387946] [ 49.388359] irq event stamp: 1755 [ 49.388901] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 49.390258] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 49.391584] softirqs last enabled at (1402): [] handle_softirqs+0x50c/0x770 [ 49.392925] softirqs last disabled at (1387): [] __irq_exit_rcu+0xc4/0x100 [ 49.394251] ---[ end trace 0000000000000000 ]--- [ 50.196659] ------------[ cut here ]------------ [ 50.197596] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.199653] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.201330] Modules linked in: [ 50.201916] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.203987] Tainted: [W]=WARN [ 50.204610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.206102] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.206992] 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 [ 50.210237] RSP: 0018:ffff88800e74fbc0 EFLAGS: 00010286 [ 50.211221] RAX: 0000000000000000 RBX: ffffed1001ce9f78 RCX: ffffffff813a4050 [ 50.212525] RDX: ffff88800cd75340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.213823] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ce9f2f [ 50.215120] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.216392] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e74fdf8 [ 50.217679] FS: 00007fb6cb294900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.219146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.220226] CR2: 00007fb6cb786580 CR3: 000000000ca21000 CR4: 0000000000350ef0 [ 50.221507] Call Trace: [ 50.221978] [ 50.222452] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.223362] ? __create_object+0x59/0x80 [ 50.224159] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.225145] __vmalloc_noprof+0x59/0x60 [ 50.225869] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.226775] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.227706] bpf_prog_alloc+0x39/0x200 [ 50.228438] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.229394] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.230333] do_seccomp+0x349/0x25e0 [ 50.231060] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.231920] ? __pfx_do_seccomp+0x10/0x10 [ 50.232716] ? find_held_lock+0x2b/0x80 [ 50.233478] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.234475] ? static_key_count+0x60/0x80 [ 50.235289] prctl_set_seccomp+0x4e/0x70 [ 50.236075] __do_sys_prctl+0xe6c/0x1d70 [ 50.236824] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.237697] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.238701] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.239692] ? irqentry_exit+0xf3/0x650 [ 50.240470] do_syscall_64+0xbf/0x430 [ 50.241203] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.242165] RIP: 0033:0x7fb6cb7865cd [ 50.242866] 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 [ 50.246047] RSP: 002b:00007ffd5a16c9d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.247440] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6cb7865cd [ 50.248748] RDX: 000055a6466c7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.250052] RBP: 00007ffd5a16ca30 R08: 0000000000000000 R09: 00007ffd5a16c0d0 [ 50.251357] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a652affad0 [ 50.252641] R13: 00007ffd5a16ce60 R14: 000055a652b00bc0 R15: 000055a652b11780 [ 50.253954] [ 50.254429] irq event stamp: 1783 [ 50.255100] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 50.256651] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 50.258191] softirqs last enabled at (1656): [] handle_softirqs+0x50c/0x770 [ 50.259765] softirqs last disabled at (1651): [] __irq_exit_rcu+0xc4/0x100 [ 50.261301] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62136' (ECDSA) to the list of known hosts. 2025/11/18 00:22:36 fuzzer started 2025/11/18 00:22:36 dialing manager at localhost:37895 2025/11/18 00:22:36 checking machine... 2025/11/18 00:22:36 checking revisions... [ 51.161841] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:22:36 testing simple program... [ 51.246108] cgroup: Unknown subsys name 'net' [ 51.314778] cgroup: Unknown subsys name 'cpuset' [ 51.327857] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:22:35 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff84c6acdf RCX=ffff888017db71fc RDX=1ffff11002fb6e60 RSI=ffffffff85e1ffe0 RDI=ffffffff84c6acdf RBP=ffffffff84c6acdf RSP=ffff888017db7258 R8 =0000000000000001 R9 =ffff888017db72e8 R10=000000000003c9ed R11=000000000009a90b R12=0000000000000001 R13=0000000000000000 R14=ffff888016369bc0 R15=ffff888008c41780 RIP=ffffffff81439c92 RFL=00000287 [--S--PC] 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 00007f51a06f1700 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=00007ffc55fcb000 CR3=000000000d7e9000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a38333137332074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383331 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=000000000001f139 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc2a1e395a0 CR3=000000000d8ec000 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=fe23fc1ab6461abcba45d9a1c99a4e24 XMM02=2c67c8bc2e329bc30000000000302178 XMM03=fb795ef6d6577056000000000030e790 XMM04=d9dce033bd4197e000000000000ae988 XMM05=d96330e2d2db8632000000000031ea68 XMM06=474038aa6c007e1f000000000031e8f0 XMM07=e042d86d42eb936e000000000030ea10 XMM08=744d53597f7793f400000000003021d8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000