Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff996a1f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff995e15fa0 RCX: 00007ff995b9aeb9 RDX: 0000000000000000 RSI: 0000000040146f2c RDI: 0000000000000002 RBP: 00007ff995c08c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff995e16038 R14: 00007ff995e15fa0 R15: 00007ffd27a911f8 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 7126 Comm: syz.2.276 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:vidtv_psi_desc_assign+0x24/0x90 drivers/media/test-drivers/vidtv/vidtv_psi.c:629 Code: 90 90 90 90 90 90 0f 1f 40 d6 41 54 55 48 89 f5 53 48 89 fb e8 bd b9 ed f9 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 75 4c 4c 8b 23 49 39 ec 74 36 e8 99 b9 ed f9 4d 85 e4 RSP: 0018:ffffc9000be8fa18 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000005 RCX: ffffc9000c7ca000 RDX: 0000000000000000 RSI: ffffffff881890c3 RDI: 0000000000000005 RBP: ffff8881405b21a0 R08: 0000000000000000 R09: 4453534204050000 R10: 0000000000000005 R11: ffffffff826f7324 R12: 0000000000000000 R13: ffff888030bc0c00 R14: ffff888143b747a0 R15: ffff888030bc0280 FS: 00007ff996a1f6c0(0000) GS:ffff8881245e3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33c1eff8 CR3: 0000000035562000 CR4: 00000000003526f0 Call Trace: vidtv_channel_pmt_match_sections drivers/media/test-drivers/vidtv/vidtv_channel.c:349 [inline] vidtv_channel_si_init+0x12fc/0x18d0 drivers/media/test-drivers/vidtv/vidtv_channel.c:479 vidtv_mux_init+0x526/0xbf0 drivers/media/test-drivers/vidtv/vidtv_mux.c:519 vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline] vidtv_start_feed+0x33e/0x4c0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239 dmx_ts_feed_start_filtering+0xf6/0x220 drivers/media/dvb-core/dvb_demux.c:747 dvb_dmxdev_start_feed+0x273/0x3f0 drivers/media/dvb-core/dmxdev.c:655 dvb_dmxdev_filter_start+0x1b6/0xdd0 drivers/media/dvb-core/dmxdev.c:766 dvb_dmxdev_pes_filter_set drivers/media/dvb-core/dmxdev.c:963 [inline] dvb_demux_do_ioctl+0xe64/0x1200 drivers/media/dvb-core/dmxdev.c:1077 dvb_usercopy+0x167/0x340 drivers/media/dvb-core/dvbdev.c:999 dvb_demux_ioctl+0x29/0x40 drivers/media/dvb-core/dmxdev.c:1186 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff995b9aeb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff996a1f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff995e15fa0 RCX: 00007ff995b9aeb9 RDX: 0000000000000000 RSI: 0000000040146f2c RDI: 0000000000000002 RBP: 00007ff995c08c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff995e16038 R14: 00007ff995e15fa0 R15: 00007ffd27a911f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vidtv_psi_desc_assign+0x24/0x90 drivers/media/test-drivers/vidtv/vidtv_psi.c:629 Code: 90 90 90 90 90 90 0f 1f 40 d6 41 54 55 48 89 f5 53 48 89 fb e8 bd b9 ed f9 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 75 4c 4c 8b 23 49 39 ec 74 36 e8 99 b9 ed f9 4d 85 e4 RSP: 0018:ffffc9000be8fa18 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000005 RCX: ffffc9000c7ca000 RDX: 0000000000000000 RSI: ffffffff881890c3 RDI: 0000000000000005 RBP: ffff8881405b21a0 R08: 0000000000000000 R09: 4453534204050000 R10: 0000000000000005 R11: ffffffff826f7324 R12: 0000000000000000 R13: ffff888030bc0c00 R14: ffff888143b747a0 R15: ffff888030bc0280 FS: 00007ff996a1f6c0(0000) GS:ffff8881245e3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff995be8600 CR3: 0000000035562000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 e8 ff ff ff mov $0xffffffffffffffe8,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W