syzkaller login: [ 45.719670] ------------[ cut here ]------------ [ 45.720610] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.722650] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 45.724132] Modules linked in: [ 45.724723] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.726714] Tainted: [W]=WARN [ 45.727325] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.728812] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.729733] 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 [ 45.732945] RSP: 0018:ffff888016f0fbc0 EFLAGS: 00010286 [ 45.733947] RAX: 0000000000000000 RBX: ffffed1002de1f78 RCX: ffffffff813a4050 [ 45.735244] RDX: ffff888016e0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.736548] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de1f2f [ 45.737867] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.739164] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f0fdf8 [ 45.740472] FS: 00007fc0b7d9f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.741919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.742967] CR2: 00007fc0b83054a6 CR3: 000000000c75d000 CR4: 0000000000350ef0 [ 45.744258] Call Trace: [ 45.744723] [ 45.745171] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.746091] ? __create_object+0x59/0x80 [ 45.746830] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.747808] __vmalloc_noprof+0x59/0x60 [ 45.748566] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.749450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.750397] bpf_prog_alloc+0x39/0x200 [ 45.751126] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.752082] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.752969] do_seccomp+0x349/0x25e0 [ 45.753705] ? find_held_lock+0x2b/0x80 [ 45.754472] ? do_prlimit+0x310/0x610 [ 45.755219] ? __pfx_do_seccomp+0x10/0x10 [ 45.755968] ? do_raw_spin_unlock+0x53/0x220 [ 45.756824] ? _raw_spin_unlock+0x1e/0x40 [ 45.757606] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.758600] ? static_key_count+0x60/0x80 [ 45.759410] prctl_set_seccomp+0x4e/0x70 [ 45.760198] __do_sys_prctl+0xe6c/0x1d70 [ 45.760941] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.761816] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.762808] ? irqentry_exit+0xf3/0x650 [ 45.763590] do_syscall_64+0xbf/0x430 [ 45.764341] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.765306] RIP: 0033:0x7fc0b82915cd [ 45.765996] 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 [ 45.769189] RSP: 002b:00007ffdfdacff50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.770594] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0b82915cd [ 45.771899] RDX: 000055f8ea31ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.773180] RBP: 00007ffdfdacffb0 R08: 0000000000000000 R09: 00007ffdfdacf650 [ 45.774491] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f92a03ead0 [ 45.775768] R13: 00007ffdfdad03e0 R14: 000055f92a03fbc0 R15: 000055f92a050780 [ 45.777075] [ 45.777506] irq event stamp: 1753 [ 45.778183] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 45.779712] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 45.781243] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 45.782797] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 45.784323] ---[ end trace 0000000000000000 ]--- [ 48.612175] ------------[ cut here ]------------ [ 48.612586] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.613507] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 48.614181] Modules linked in: [ 48.614453] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.615355] Tainted: [W]=WARN [ 48.615605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.616271] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.616662] 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 [ 48.618109] RSP: 0018:ffff88801cd9fbc0 EFLAGS: 00010286 [ 48.618534] RAX: 0000000000000000 RBX: ffffed10039b3f78 RCX: ffffffff813a4050 [ 48.619109] RDX: ffff888016020000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.619666] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10039b3f2f [ 48.620255] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.620811] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cd9fdf8 [ 48.621394] FS: 00007f66c1c8a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.622057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.622518] CR2: 00007fffeb88fef7 CR3: 000000000ba2b000 CR4: 0000000000350ef0 [ 48.623103] Call Trace: [ 48.623313] [ 48.623501] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.623890] ? __create_object+0x59/0x80 [ 48.624246] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.624668] __vmalloc_noprof+0x59/0x60 [ 48.624988] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.625388] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.625789] bpf_prog_alloc+0x39/0x200 [ 48.626131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.626531] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.626922] do_seccomp+0x349/0x25e0 [ 48.627250] ? find_held_lock+0x2b/0x80 [ 48.627575] ? do_prlimit+0x310/0x610 [ 48.627890] ? __pfx_do_seccomp+0x10/0x10 [ 48.628246] ? do_raw_spin_unlock+0x53/0x220 [ 48.628602] ? _raw_spin_unlock+0x1e/0x40 [ 48.628933] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.629403] ? static_key_count+0x60/0x80 [ 48.629796] prctl_set_seccomp+0x4e/0x70 [ 48.630251] __do_sys_prctl+0xe6c/0x1d70 [ 48.630584] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.630948] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.631387] ? irqentry_exit+0xf3/0x650 [ 48.631714] do_syscall_64+0xbf/0x430 [ 48.632043] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.632456] RIP: 0033:0x7f66c217c5cd [ 48.632752] 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 [ 48.634191] RSP: 002b:00007fffeb88d3a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.634786] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66c217c5cd [ 48.635369] RDX: 00005608fe657e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.635929] RBP: 00007fffeb88d400 R08: 0000000000000000 R09: 00007fffeb88caa0 [ 48.636514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560931eb1ad0 [ 48.637097] R13: 00007fffeb88d830 R14: 0000560931eb2bc0 R15: 0000560931ec3780 [ 48.637663] [ 48.637859] irq event stamp: 1637 [ 48.638156] hardirqs last enabled at (1647): [] __up_console_sem+0x78/0x80 [ 48.638826] hardirqs last disabled at (1654): [] __up_console_sem+0x5d/0x80 [ 48.639515] softirqs last enabled at (1198): [] handle_softirqs+0x50c/0x770 [ 48.640211] softirqs last disabled at (1189): [] __irq_exit_rcu+0xc4/0x100 [ 48.640873] ---[ end trace 0000000000000000 ]--- [ 49.218466] ------------[ cut here ]------------ [ 49.219406] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.221408] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.222866] Modules linked in: [ 49.223508] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.225454] Tainted: [W]=WARN [ 49.226015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.227504] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.228408] 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 [ 49.231505] RSP: 0018:ffff888016f1fbc0 EFLAGS: 00010286 [ 49.232476] RAX: 0000000000000000 RBX: ffffed1002de3f78 RCX: ffffffff813a4050 [ 49.233724] RDX: ffff88801a3a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.234993] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002de3f2f [ 49.236273] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.237543] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f1fdf8 [ 49.238817] FS: 00007fe950af9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.240226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.241275] CR2: 00007ffc65a57ef7 CR3: 0000000020502000 CR4: 0000000000350ef0 [ 49.242557] Call Trace: [ 49.243012] [ 49.243458] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.244346] ? __create_object+0x59/0x80 [ 49.245110] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.246080] __vmalloc_noprof+0x59/0x60 [ 49.246786] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.247652] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.248570] bpf_prog_alloc+0x39/0x200 [ 49.249309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.250228] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.251125] do_seccomp+0x349/0x25e0 [ 49.251789] ? find_held_lock+0x2b/0x80 [ 49.252544] ? do_prlimit+0x310/0x610 [ 49.253271] ? __pfx_do_seccomp+0x10/0x10 [ 49.254007] ? do_raw_spin_unlock+0x53/0x220 [ 49.254840] ? _raw_spin_unlock+0x1e/0x40 [ 49.255615] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.256567] ? static_key_count+0x60/0x80 [ 49.257361] prctl_set_seccomp+0x4e/0x70 [ 49.258131] __do_sys_prctl+0xe6c/0x1d70 [ 49.258862] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.259714] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.260678] ? irqentry_exit+0xf3/0x650 [ 49.261432] do_syscall_64+0xbf/0x430 [ 49.262191] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.263144] RIP: 0033:0x7fe950feb5cd [ 49.263796] 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 [ 49.266920] RSP: 002b:00007ffc65a569e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.268273] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe950feb5cd [ 49.269543] RDX: 000055693be8ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.270544] RBP: 00007ffc65a56a40 R08: 0000000000000000 R09: 00007ffc65a560e0 [ 49.271326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556943c8bb10 [ 49.272120] R13: 00007ffc65a56e70 R14: 0000556943c8c2b0 R15: 0000556943ca06f0 [ 49.272879] [ 49.273168] irq event stamp: 1753 [ 49.273536] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 49.274341] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 49.274973] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 49.275640] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 49.276295] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63078' (ECDSA) to the list of known hosts. 2025/11/17 20:39:33 fuzzer started 2025/11/17 20:39:34 dialing manager at localhost:37895 2025/11/17 20:39:34 checking machine... 2025/11/17 20:39:34 checking revisions... [ 50.104558] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:39:34 testing simple program... [ 50.188703] cgroup: Unknown subsys name 'net' [ 50.259813] cgroup: Unknown subsys name 'cpuset' [ 50.277733] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:39:33 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888016021bc0 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888016022668 RDI=ffff888016021bc0 RBP=ffff888016022618 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016022668 R13=0000000000000002 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815273eb RFL=00000047 [---Z-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 00007f66c1c8a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f66c1c59008 CR3=000000000c2b9000 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=0000000000000000 RBX=ffff88800f69d340 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800f69dd98 RSP=ffff88801472f3e0 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526ff1 RFL=00000817 [-O--APC] 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 00007f6938f62900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff452e04a8 CR3=000000000d787000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=b92c240d86ae57ae00000000000ae988 XMM05=4d427bfce6dd7a0500000000003223e8 XMM06=090f1556b20111b30000000000320b38 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000002000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000