syzkaller login: [ 54.180470] ------------[ cut here ]------------ [ 54.181433] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.184214] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 54.185738] Modules linked in: [ 54.186376] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 54.188387] Tainted: [W]=WARN [ 54.189009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.190519] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.191440] 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 [ 54.194647] RSP: 0018:ffff8880152d7bc0 EFLAGS: 00010286 [ 54.195629] RAX: 0000000000000000 RBX: ffffed1002a5af78 RCX: ffffffff813a4050 [ 54.196950] RDX: ffff888015d3b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.198247] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002a5af2f [ 54.199535] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.200814] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880152d7df8 [ 54.202132] FS: 00007ff93f3c9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.203602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.204672] CR2: 00007ffc3dd49ef8 CR3: 000000000d0c2000 CR4: 0000000000350ef0 [ 54.205982] Call Trace: [ 54.206451] [ 54.206858] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.207772] ? __create_object+0x59/0x80 [ 54.208545] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.209531] __vmalloc_noprof+0x59/0x60 [ 54.210387] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.211275] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.212207] bpf_prog_alloc+0x39/0x200 [ 54.212905] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.213831] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.214724] do_seccomp+0x349/0x25e0 [ 54.215467] ? find_held_lock+0x2b/0x80 [ 54.216230] ? do_prlimit+0x310/0x610 [ 54.216999] ? __pfx_do_seccomp+0x10/0x10 [ 54.217733] ? do_raw_spin_unlock+0x53/0x220 [ 54.218605] ? _raw_spin_unlock+0x1e/0x40 [ 54.219391] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.220360] ? static_key_count+0x60/0x80 [ 54.221191] prctl_set_seccomp+0x4e/0x70 [ 54.221967] __do_sys_prctl+0xe6c/0x1d70 [ 54.222720] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.223601] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.224582] ? irqentry_exit+0xf3/0x650 [ 54.225372] do_syscall_64+0xbf/0x430 [ 54.226127] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.227092] RIP: 0033:0x7ff93f8bb5cd [ 54.227761] 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 [ 54.230976] RSP: 002b:00007ffc3dd48300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.232334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff93f8bb5cd [ 54.233641] RDX: 000055bc3aa96e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.234911] RBP: 00007ffc3dd48360 R08: 0000000000000000 R09: 00007ffc3dd47a00 [ 54.236230] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bc47c4bad0 [ 54.237525] R13: 00007ffc3dd48790 R14: 000055bc47c4cbc0 R15: 000055bc47c5d780 [ 54.238824] [ 54.239299] irq event stamp: 1775 [ 54.239906] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 54.241454] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 54.242773] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 54.244040] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 54.245304] ---[ end trace 0000000000000000 ]--- [ 58.297277] ------------[ cut here ]------------ [ 58.298199] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 58.300194] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 58.301683] Modules linked in: [ 58.302601] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 58.304665] Tainted: [W]=WARN [ 58.305285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.306919] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 58.307841] 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 [ 58.311030] RSP: 0018:ffff8880184dfbc0 EFLAGS: 00010286 [ 58.312008] RAX: 0000000000000000 RBX: ffffed100309bf78 RCX: ffffffff813a4050 [ 58.313320] RDX: ffff88801682b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 58.314601] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100309bf2f [ 58.315888] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 58.317200] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880184dfdf8 [ 58.318518] FS: 00007f0768756900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 58.319977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.321046] CR2: 00007f0768c48580 CR3: 000000000aa74000 CR4: 0000000000350ef0 [ 58.322342] Call Trace: [ 58.322804] [ 58.323245] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 58.324153] ? __create_object+0x59/0x80 [ 58.324907] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.325879] __vmalloc_noprof+0x59/0x60 [ 58.326643] bpf_prog_alloc_no_stats+0x55/0x470 [ 58.327519] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.328446] bpf_prog_alloc+0x39/0x200 [ 58.329190] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.330133] bpf_prog_create_from_user+0xb2/0x2f0 [ 58.331052] do_seccomp+0x349/0x25e0 [ 58.331724] ? __pfx_css_rstat_updated+0x10/0x10 [ 58.332620] ? __pfx_do_seccomp+0x10/0x10 [ 58.333425] ? find_held_lock+0x2b/0x80 [ 58.334184] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.335145] ? static_key_count+0x60/0x80 [ 58.335908] prctl_set_seccomp+0x4e/0x70 [ 58.336697] __do_sys_prctl+0xe6c/0x1d70 [ 58.337497] ? __pfx___do_sys_prctl+0x10/0x10 [ 58.338345] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.339308] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 58.340277] ? irqentry_exit+0xf3/0x650 [ 58.341064] do_syscall_64+0xbf/0x430 [ 58.341759] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.342719] RIP: 0033:0x7f0768c485cd [ 58.343434] 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 [ 58.346593] RSP: 002b:00007ffe29be2e20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.347967] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0768c485cd [ 58.349281] RDX: 000055ca04242e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 58.350573] RBP: 00007ffe29be2e80 R08: 0000000000000000 R09: 00007ffe29be2520 [ 58.351846] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ca0562b2b0 [ 58.353135] R13: 00007ffe29be32b0 R14: 000055ca0562dd20 R15: 000055ca0563f8d0 [ 58.354446] [ 58.354876] irq event stamp: 1833 [ 58.355533] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 58.357060] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 58.358597] softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770 [ 58.360144] softirqs last disabled at (1577): [] __irq_exit_rcu+0xc4/0x100 [ 58.361678] ---[ end trace 0000000000000000 ]--- [ 59.285809] ------------[ cut here ]------------ [ 59.286762] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 59.288862] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 59.290377] Modules linked in: [ 59.291018] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 59.293319] Tainted: [W]=WARN [ 59.293883] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.295434] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 59.296341] 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 [ 59.299560] RSP: 0018:ffff88800a787bc0 EFLAGS: 00010286 [ 59.300566] RAX: 0000000000000000 RBX: ffffed10014f0f78 RCX: ffffffff813a4050 [ 59.301872] RDX: ffff8880176e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 59.303183] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10014f0f2f [ 59.304487] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 59.305823] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a787df8 [ 59.307135] FS: 00007f5dbb983900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 59.308583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.309679] CR2: 00007f5dbbe75580 CR3: 000000000cff0000 CR4: 0000000000350ef0 [ 59.310984] Call Trace: [ 59.311455] [ 59.311867] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 59.312783] ? __create_object+0x59/0x80 [ 59.313602] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 59.314591] __vmalloc_noprof+0x59/0x60 [ 59.315352] bpf_prog_alloc_no_stats+0x55/0x470 [ 59.316241] ? __pfx_seccomp_check_filter+0x10/0x10 [ 59.317196] bpf_prog_alloc+0x39/0x200 [ 59.317900] ? __pfx_seccomp_check_filter+0x10/0x10 [ 59.318853] bpf_prog_create_from_user+0xb2/0x2f0 [ 59.319763] do_seccomp+0x349/0x25e0 [ 59.320491] ? __pfx_css_rstat_updated+0x10/0x10 [ 59.321430] ? __pfx_do_seccomp+0x10/0x10 [ 59.322231] ? find_held_lock+0x2b/0x80 [ 59.323014] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 59.323993] ? static_key_count+0x60/0x80 [ 59.324765] prctl_set_seccomp+0x4e/0x70 [ 59.325566] __do_sys_prctl+0xe6c/0x1d70 [ 59.326361] ? __pfx___do_sys_prctl+0x10/0x10 [ 59.327240] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 59.328220] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 59.329209] ? irqentry_exit+0xf3/0x650 [ 59.329986] do_syscall_64+0xbf/0x430 [ 59.330684] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.331632] RIP: 0033:0x7f5dbbe755cd [ 59.332333] 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 [ 59.335504] RSP: 002b:00007ffc38ad9a50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 59.336881] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5dbbe755cd [ 59.338200] RDX: 000055c07d7bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 59.339526] RBP: 00007ffc38ad9ab0 R08: 0000000000000000 R09: 00007ffc38ad9150 [ 59.340840] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c0b39f6b10 [ 59.342144] R13: 00007ffc38ad9ee0 R14: 000055c0b39f72b0 R15: 000055c0b3a0b6f0 [ 59.343450] [ 59.343878] irq event stamp: 1795 [ 59.344543] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 59.346095] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 59.347636] softirqs last enabled at (1602): [] handle_softirqs+0x50c/0x770 [ 59.349215] softirqs last disabled at (1597): [] __irq_exit_rcu+0xc4/0x100 [ 59.350549] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36031' (ECDSA) to the list of known hosts. 2025/11/18 19:06:49 fuzzer started 2025/11/18 19:06:50 dialing manager at localhost:34383 2025/11/18 19:06:50 checking machine... 2025/11/18 19:06:50 checking revisions... [ 60.346594] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:06:50 testing simple program... [ 60.440976] cgroup: Unknown subsys name 'net' [ 60.535207] cgroup: Unknown subsys name 'cpuset' [ 60.711256] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:06:49 Registers: info registers vcpu 0 RAX=0000000080010100 RBX=000000000001af58 RCX=ffffffff8163673b RDX=ffff888009611bc0 RSI=ffffffff81636749 RDI=ffffffff85ca1480 RBP=0000000d83134030 RSP=ffff88806ce08d38 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff88806ce28500 R13=dffffc0000000000 R14=0000000000000001 R15=dffffc0000000000 RIP=ffffffff81636757 RFL=00000006 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0768d0e0b0 CR3=000000001f4ee000 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=ffffffffffffffffffffffff00000000 XMM01=000000000000000000005500746f6f72 XMM02=ff000000000000000000000000000000 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=000a687361622f6e69622f3a746f6f72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002ab13 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1a22f27000 CR3=000000000de70000 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=1d557a6b02009d86a44800c82943728d XMM02=ec2efd57dc4c00df0000000000303db8 XMM03=c2a5545abc94d88b0000000000303e88 XMM04=5e3e2714a5988d6f00000000000ae988 XMM05=14648eaa1277bab100000000003202c8 XMM06=817b8945e9d503730000000000320150 XMM07=e042d86d42eb936e000000000030f858 XMM08=c2a5545abc94d88b0000000000303e88 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000